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434 lines
11 KiB
Plaintext
434 lines
11 KiB
Plaintext
--- less.nro.orig Sun Sep 15 23:00:49 1996
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+++ less.nro Sun Sep 15 23:06:46 1996
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@@ -1,12 +1,12 @@
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.TH LESS 1
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.SH NAME
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-less \- opposite of more
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+cless \- opposite of more
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.SH SYNOPSIS
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-.B "less -?"
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+.B "cless -?"
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.br
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-.B "less -V"
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+.B "cless -V"
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.br
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-.B "less [-[+]aBcCdeEfgGiImMnNqQrsSuUVwX]"
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+.B "cless [-[+]aBcCdeEfgGiImMnNqQrsSuUVwX]"
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.br
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.B " [-b \fIbufs\fP] [-h \fIlines\fP] [-j \fIline\fP] [-k \fIkeyfile\fP]"
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.br
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@@ -23,7 +23,7 @@
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(1), but which allows backward movement
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in the file as well as forward movement.
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Also,
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-.I less
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+.I cless
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does not have to read the entire input file before starting,
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so with large input files it starts up faster than text editors like
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.I vi
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@@ -114,7 +114,7 @@
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Go to a position N percent into the file.
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N should be between 0 and 100.
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(This works if standard input is being read, but only if
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-.I less
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+.I cless
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has already read to the end of the file.
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It is always fast, but not always useful.)
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.PP
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@@ -329,18 +329,18 @@
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.IP +cmd
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Causes the specified cmd to be executed each time a new file is examined.
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For example, +G causes
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-.I less
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+.I cless
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to initially display each file starting at the end
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rather than the beginning.
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.PP
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.IP V
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Prints the version number of
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-.I less
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+.I cless
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being run.
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.PP
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.IP "q or :q or :Q or ZZ"
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Exits
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-.I less.
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+.I cless.
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.PP
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The following
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three
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@@ -374,13 +374,13 @@
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.SH OPTIONS
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Command line options are described below.
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Most options may be changed while
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-.I less
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+.I cless
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is running, via the "\-" command.
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.PP
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Options are also taken from the environment variable "LESS".
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For example,
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-to avoid typing "less -options ..." each time
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-.I less
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+to avoid typing "cless -options ..." each time
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+.I cless
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is invoked, you might tell
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.I csh:
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.sp
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@@ -402,10 +402,10 @@
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following string.
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.IP -?
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This option displays a summary of the commands accepted by
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-.I less
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+.I cless
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(the same as the h command).
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If this option is given, all other options are ignored, and
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-.I less
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+.I cless
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exits after the help screen is viewed.
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(Depending on how your shell interprets the question mark,
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it may be necessary to quote the question mark, thus: "-\\?".)
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@@ -417,7 +417,7 @@
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(or after the last found line; see the -j option).
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.IP -b\fIn\fP
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Specifies the number of buffers
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-.I less
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+.I cless
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will use for each file.
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Buffers are 1K, and by default 10 buffers are used for each file
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(except if the file is a pipe; see the -B option).
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@@ -444,7 +444,7 @@
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that is, lacks some important capability,
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such as the ability to clear the screen or scroll backward.
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The -d option does not otherwise change the behavior of
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-.I less
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+.I cless
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on a dumb terminal).
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.IP -D\fBx\fP\fIcolor\fP
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[MS-DOS only]
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@@ -457,31 +457,31 @@
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A single number \fIN\fP is the same as \fIN.0\fP.
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.IP -e
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Causes
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-.I less
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+.I cless
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to automatically exit
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the second time it reaches end-of-file.
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By default, the only way to exit
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-.I less
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+.I cless
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is via the "q" command.
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.IP -E
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Causes
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-.I less
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+.I cless
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to automatically exit the first time it reaches end-of-file.
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.IP -f
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Forces non-regular files to be opened.
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(A non-regular file is a directory or a device special file.)
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Also suppresses the warning message when a binary file is opened.
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By default,
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-.I less
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+.I cless
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will refuse to open non-regular files.
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.IP -g
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Normally,
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-.I less
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+.I cless
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will highlight ALL strings which match the last search command.
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The -g flag changes this behavior to highlight only the particular string
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which was found by the last search command.
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This can cause
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-.I less
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+.I cless
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to run somewhat faster than the default.
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.IP -G
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The -G flag suppresses all highlighting of strings found by search commands.
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@@ -519,32 +519,32 @@
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on the screen.
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.IP -k\fIfilename\fP
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Causes
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-.I less
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+.I cless
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to open and interpret the named file as a
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-.I lesskey
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+.I clesskey
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(1) file.
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Multiple -k options may be specified.
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-If a file called .less exists in the user's home directory, this
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+If a file called .cless exists in the user's home directory, this
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file is also used as a
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-.I lesskey
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+.I clesskey
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file.
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.IP -m
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Causes
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-.I less
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+.I cless
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to prompt verbosely (like \fImore\fP),
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with the percent into the file.
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By default,
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-.I less
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+.I cless
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prompts with a colon.
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.IP -M
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Causes
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-.I less
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+.I cless
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to prompt even more verbosely than
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.I more.
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.IP -n
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Suppresses line numbers.
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The default (to use line numbers) may cause
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-.I less
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+.I cless
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to run more slowly in some cases, especially with a very large input file.
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Suppressing line numbers with the -n flag will avoid this problem.
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Using line numbers means: the line number will be displayed in the verbose
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@@ -556,12 +556,12 @@
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each line in the display.
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.IP -o\fIfilename\fP
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Causes
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-.I less
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+.I cless
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to copy its input to the named file as it is being viewed.
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This applies only when the input file is a pipe,
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not an ordinary file.
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If the file already exists,
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-.I less
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+.I cless
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will ask for confirmation before overwriting it.
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.IP -O\fIfilename\fP
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The -O option is like -o, but it will overwrite an existing
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@@ -569,23 +569,23 @@
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.sp
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If no log file has been specified,
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the -o and -O options can be used from within
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-.I less
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+.I cless
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to specify a log file.
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Without a file name, they will simply report the name of the log file.
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The "s" command is equivalent to specifying -o from within
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-.I less.
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+.I cless.
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.IP -p\fIpattern\fP
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The -p option on the command line is equivalent to
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specifying +/\fIpattern\fP;
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that is, it tells
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-.I less
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+.I cless
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to start at the first occurrence of \fIpattern\fP in the file.
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.IP -P\fIprompt\fP
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Provides a way to tailor the three prompt
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styles to your own preference.
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This option would normally be put in the LESS environment
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variable, rather than being typed in with each
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-.I less
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+.I cless
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command.
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Such an option must either be the last option in the LESS variable,
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or be terminated by a dollar sign.
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@@ -613,7 +613,7 @@
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The default is to display control characters using the caret notation;
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for example, a control-A (octal 001) is displayed as "^A".
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Warning: when the -r flag is used,
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-.I less
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+.I cless
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cannot keep track of the actual appearance of the screen
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(since this depends on how the screen responds to
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each type of control character).
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@@ -638,10 +638,10 @@
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.I ctags
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(1) command.
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This option may also be specified from within
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-.I less
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+.I cless
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(using the \- command) as a way of examining a new file.
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The command ":t" is equivalent to specifying -t from within
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-.I less.
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+.I cless.
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.IP -T\fItagsfile\fP
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Specifies a tags file to be used instead of "tags".
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.IP -u
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@@ -667,7 +667,7 @@
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if neither -u nor -U is in effect.
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.IP -V
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Displays the version number of
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-.I less.
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+.I cless.
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.IP -w
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Causes blank lines to be used to represent lines
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past the end of the file.
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@@ -705,9 +705,9 @@
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.IP +
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If a command line option begins with \fB+\fP,
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the remainder of that option is taken to be an initial command to
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-.I less.
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+.I cless.
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For example, +G tells
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-.I less
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+.I cless
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to start at the end of the file rather than the beginning,
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and +/xyz tells it to start at the first occurrence of "xyz" in the file.
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As a special case, +<number> acts like +<number>g;
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@@ -777,25 +777,25 @@
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.SH "KEY BINDINGS"
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You may define your own
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-.I less
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+.I cless
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commands by using the program
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-.I lesskey
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+.I clesskey
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(1)
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-to create a file called ".less" in your home directory.
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+to create a file called ".cless" in your home directory.
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This file specifies a set of command keys and an action
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associated with each key.
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You may also use
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-.I lesskey
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+.I clesskey
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to change the line-editing keys (see LINE EDITING).
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See the
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-.I lesskey
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+.I clesskey
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manual page for more details.
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.SH "INPUT PREPROCESSOR"
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You may define an "input preprocessor" for
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-.I less.
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+.I cless.
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Before
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-.I less
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+.I cless
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opens a file, it first gives your input preprocessor a chance to modify the
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way the contents of the file are displayed.
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An input preprocessor is simply an executable program (or shell script),
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@@ -805,7 +805,7 @@
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in place of the contents of the original file.
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However, it will appear to the user as if the original file is opened;
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that is,
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-.I less
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+.I cless
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will display the original filename as the name of the current file.
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.PP
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An input preprocessor receives one command line argument, the original filename,
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@@ -813,7 +813,7 @@
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It should create the replacement file, and when finished,
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print the name of the replacement file to its standard output.
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If the input preprocessor does not output a replacement filename,
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-.I less
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+.I cless
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uses the original file, as normal.
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The input preprocessor is not called when viewing standard input.
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To set up an input preprocessor, set the LESSOPEN environment variable
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@@ -823,7 +823,7 @@
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when the input preprocessor command is invoked.
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.PP
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When
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-.I less
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+.I cless
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closes a file opened in such a way, it will call another program,
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called the input postprocessor,
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which may perform any desired clean-up action (such as deleting the
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@@ -839,24 +839,24 @@
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.PP
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For example, on many Unix systems, these two scripts will allow you
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to keep files in compressed format, but still let
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-.I less
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+.I cless
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view them directly:
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.PP
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-lessopen.sh:
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+clessopen.sh:
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.br
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#! /bin/sh
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.br
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case "$1" in
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.br
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- *.Z) uncompress -c $1 >/tmp/less.$$ 2>/dev/null
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+ *.Z) uncompress -c $1 >/tmp/cless.$$ 2>/dev/null
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.br
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- if [ -s /tmp/less.$$ ]; then
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+ if [ -s /tmp/cless.$$ ]; then
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.br
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- echo /tmp/less.$$
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+ echo /tmp/cless.$$
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.br
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else
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.br
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- rm -f /tmp/less.$$
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+ rm -f /tmp/cless.$$
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.br
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fi
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.br
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@@ -878,7 +878,7 @@
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.PP
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It is also possible to set up an input preprocessor to
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pipe the file data directly to
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-.I less,
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+.I cless,
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rather than putting the data into a replacement file.
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This avoids the need to decompress the entire file before
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starting to view it.
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@@ -888,7 +888,7 @@
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writes the entire contents of the replacement file on its standard output.
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If the input pipe does not write any characters on its standard output,
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then there is no replacement file and
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-.I less
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+.I cless
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uses the original file, as normal.
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To use an input pipe,
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make the first character in the LESSOPEN environment variable a
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@@ -950,7 +950,7 @@
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Selects a character set appropriate for NeXT computers.
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.PP
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In special cases, it may be desired to tailor
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-.I less
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+.I cless
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to use a character set other than the ones definable by LESSCHARSET.
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In this case, the environment variable LESSCHARDEF can be used
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to define a character set.
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@@ -983,7 +983,7 @@
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but your system supports the
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.I setlocale
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interface,
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-.I less
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+.I cless
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will use setlocale to determine the character set.
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setlocale is controlled by setting the LANG or LC_CTYPE environment variables.
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.PP
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@@ -1173,14 +1173,14 @@
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.IP EDITOR
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The name of the editor (used for the v command).
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.IP HOME
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-Name of the user's home directory (used to find a .less file).
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+Name of the user's home directory (used to find a .cless file).
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.IP LANG
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Language for determining the character set.
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.IP LC_CTYPE
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Language for determining the character set.
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.IP LESS
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Flags which are passed to
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-.I less
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+.I cless
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automatically.
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.IP LESSBINFMT
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Format for displaying non-printable, non-control characters.
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@@ -1204,13 +1204,14 @@
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The shell used to execute the ! command, as well as to expand filenames.
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.IP TERM
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The type of terminal on which
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-.I less
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+.I cless
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is being run.
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.IP VISUAL
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The name of the editor (used for the v command).
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.SH "SEE ALSO"
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-lesskey(1)
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+clesskey(1)
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+less(1)
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.SH WARNINGS
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The = command and prompts (unless changed by -P)
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