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Add support for splitting at gigabyte boundaries. [1]

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Also make both lowercase and uppercase suffix letters work
as byte-count suffixes, i.e. the following two commands are
equivalent now:

    % split -b 4m foo
    % split -b 4M foo

Submitted by:		Roman Divacky [1]
Lots of help by:	cperciva
Reviewed by:		cperciva
MFC after:		1 week
This commit is contained in:
Giorgos Keramidas 2006-08-10 10:41:47 +00:00
parent 04d9e255df
commit a6dd1c93f4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=161172
2 changed files with 20 additions and 8 deletions
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17
usr.bin/split/split.1
View File

@ -32,7 +32,7 @@
.\" @(#)split.1 8.3 (Berkeley) 4/16/94
.\" $FreeBSD$
.\"
.Dd August 9, 2006
.Dd August 10, 2006
.Dt SPLIT 1
.Os
.Sh NAME
@ -46,7 +46,7 @@
.Nm
.Fl b Ar byte_count Ns
.Oo
.Cm k Ns | Ns Cm m
.Cm K Ns | Ns Cm k Ns | Ns Cm M Ns | Ns Cm m Ns | Ns Cm G Ns | Ns Cm g
.Oc
.Op Fl a Ar suffix_length
.Op Ar file Op Ar prefix
@ -77,20 +77,31 @@ The options are as follows:
Use
.Ar suffix_length
letters to form the suffix of the file name.
.It Fl b Ar byte_count Ns Op Cm k Ns | Ns Cm m
.It Fl b Ar byte_count Ns Op Cm K Ns | Ns Cm k Ns | Ns Cm M Ns | Ns Cm m Ns | Ns Cm G Ns | Ns Cm g
Create smaller files
.Ar byte_count
bytes in length.
If
.Cm k
or
.Cm K
is appended to the number, the file is split into
.Ar byte_count
kilobyte pieces.
If
.Cm m
or
.Cm M
is appended to the number, the file is split into
.Ar byte_count
megabyte pieces.
If
.Cm g
or
.Cm G
is appended to the number, the file is split into
.Ar byte_count
gigabyte pieces.
.It Fl l Ar line_count
Create smaller files
.Ar line_count

11
usr.bin/split/split.c
View File

@ -116,14 +116,15 @@ main(int argc, char **argv)
case 'b': /* Byte count. */
errno = 0;
if ((bytecnti = strtoimax(optarg, &ep, 10)) <= 0 ||
(*ep != '\0' && *ep != 'k' && *ep != 'm') ||
errno != 0)
strchr("kKmMgG", *ep) == NULL || errno != 0)
errx(EX_USAGE,
"%s: illegal byte count", optarg);
if (*ep == 'k')
if (*ep == 'k' || *ep == 'K')
scale = 1024;
else if (*ep == 'm')
else if (*ep == 'm' || *ep == 'M')
scale = 1024 * 1024;
else if (*ep == 'g' || *ep == 'G')
scale = 1024 * 1024 * 1024;
else
scale = 1;
if (bytecnti > OFF_MAX / scale)
@ -336,7 +337,7 @@ usage(void)
{
(void)fprintf(stderr,
"usage: split [-l line_count] [-a suffix_length] [file [prefix]]\n"
" split -b byte_count[k|m] [-a suffix_length] [file [prefix]]\n"
" split -b byte_count[K|k|M|m|G|g] [-a suffix_length] [file [prefix]]\n"
" split -p pattern [-a suffix_length] [file [prefix]]\n");
exit(EX_USAGE);
}