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49 lines
1.0 KiB
Perl
Executable File
49 lines
1.0 KiB
Perl
Executable File
#!/usr/bin/env perl
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# perltidy -bext=/ -i=8 -et=8 -l=132 -pt=2 -ce -cti=1
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use strict;
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use utf8;
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use warnings;
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my $extension = '.orig';
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my $oldargv = q{};
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my $spaces = 2;
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my $indent;
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my $argvout;
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sub dotindent {
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my $amount = shift;
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return '.' . (' ' x ($spaces * $amount));
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}
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LINE: while (<>) {
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# For each file, save a .orig backup.
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if ($ARGV ne $oldargv) {
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my $backup;
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if ($extension !~ /[*]/) {
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$backup = $ARGV . $extension;
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} else {
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($backup = $extension) =~ s/[*]/$ARGV/g;
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}
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rename $ARGV, $backup;
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open $argvout, '>', $ARGV or die "Error for $ARGV: $!";
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$oldargv = $ARGV;
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$indent = 0;
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}
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if (/^[.]\s*(?:if|for)/o) { # if/for -> indent and increase indent
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s/^[.]\s*/dotindent($indent)/oe;
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$indent++;
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} elsif (/^[.]\s*end(?:if|for)/o) { # endif/endfor -> decrease indent and indent
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$indent--;
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s/^[.]\s*/dotindent($indent)/oe;
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} elsif (/^[.]\s*(?:else|elif)/o) { # else/elif -> indent one level down
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s/^[.]\s*/dotindent($indent-1)/oe;
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}
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} continue {
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# Print the line.
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print {$argvout} $_;
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}
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