212 lines
3.4 KiB
Perl
212 lines
3.4 KiB
Perl
package ExtUtils::Command;
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use strict;
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# use AutoLoader;
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use Carp;
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use File::Copy;
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use File::Compare;
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use File::Basename;
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use File::Path qw(rmtree);
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require Exporter;
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use vars qw(@ISA @EXPORT $VERSION);
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@ISA = qw(Exporter);
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@EXPORT = qw(cp rm_f rm_rf mv cat eqtime mkpath touch test_f);
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$VERSION = '1.01';
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=head1 NAME
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ExtUtils::Command - utilities to replace common UNIX commands in Makefiles etc.
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=head1 SYNOPSIS
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perl -MExtUtils::Command -e cat files... > destination
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perl -MExtUtils::Command -e mv source... destination
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perl -MExtUtils::Command -e cp source... destination
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perl -MExtUtils::Command -e touch files...
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perl -MExtUtils::Command -e rm_f file...
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perl -MExtUtils::Command -e rm_rf directories...
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perl -MExtUtils::Command -e mkpath directories...
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perl -MExtUtils::Command -e eqtime source destination
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perl -MExtUtils::Command -e chmod mode files...
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perl -MExtUtils::Command -e test_f file
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=head1 DESCRIPTION
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The module is used in the Win32 port to replace common UNIX commands.
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Most commands are wrappers on generic modules File::Path and File::Basename.
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=over 4
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=cut
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sub expand_wildcards
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{
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@ARGV = map(/[\*\?]/ ? glob($_) : $_,@ARGV);
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}
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=item cat
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Concatenates all files mentioned on command line to STDOUT.
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=cut
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sub cat ()
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{
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expand_wildcards();
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print while (<>);
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}
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=item eqtime src dst
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Sets modified time of dst to that of src
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=cut
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sub eqtime
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{
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my ($src,$dst) = @ARGV;
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open(F,">$dst");
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close(F);
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utime((stat($src))[8,9],$dst);
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}
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=item rm_f files....
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Removes directories - recursively (even if readonly)
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=cut
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sub rm_rf
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{
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rmtree([grep -e $_,expand_wildcards()],0,0);
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}
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=item rm_f files....
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Removes files (even if readonly)
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=cut
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sub rm_f
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{
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foreach (expand_wildcards())
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{
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next unless -f $_;
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next if unlink($_);
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chmod(0777,$_);
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next if unlink($_);
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carp "Cannot delete $_:$!";
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}
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}
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=item touch files ...
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Makes files exist, with current timestamp
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=cut
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sub touch
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{
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expand_wildcards();
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my $t = time;
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while (@ARGV)
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{
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my $file = shift(@ARGV);
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open(FILE,">>$file") || die "Cannot write $file:$!";
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close(FILE);
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utime($t,$t,$file);
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}
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}
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=item mv source... destination
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Moves source to destination.
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Multiple sources are allowed if destination is an existing directory.
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=cut
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sub mv
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{
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my $dst = pop(@ARGV);
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expand_wildcards();
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croak("Too many arguments") if (@ARGV > 1 && ! -d $dst);
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while (@ARGV)
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{
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my $src = shift(@ARGV);
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move($src,$dst);
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}
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}
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=item cp source... destination
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Copies source to destination.
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Multiple sources are allowed if destination is an existing directory.
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=cut
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sub cp
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{
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my $dst = pop(@ARGV);
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expand_wildcards();
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croak("Too many arguments") if (@ARGV > 1 && ! -d $dst);
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while (@ARGV)
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{
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my $src = shift(@ARGV);
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copy($src,$dst);
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}
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}
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=item chmod mode files...
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Sets UNIX like permissions 'mode' on all the files.
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=cut
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sub chmod
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{
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my $mode = shift(@ARGV);
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chmod($mode,expand_wildcards()) || die "Cannot chmod ".join(' ',$mode,@ARGV).":$!";
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}
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=item mkpath directory...
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Creates directory, including any parent directories.
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=cut
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sub mkpath
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{
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File::Path::mkpath([expand_wildcards()],1,0777);
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}
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=item test_f file
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Tests if a file exists
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=cut
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sub test_f
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{
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exit !-f shift(@ARGV);
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}
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1;
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__END__
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=back
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=head1 BUGS
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Should probably be Auto/Self loaded.
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=head1 SEE ALSO
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ExtUtils::MakeMaker, ExtUtils::MM_Unix, ExtUtils::MM_Win32
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=head1 AUTHOR
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Nick Ing-Simmons <F<nick@ni-s.u-net.com>>.
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=cut
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