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In all cases the functions work from @ARGV rather than taking arguments. This makes them easier to deal with in Makefiles. Call them like this: perl -MExtUtils::Command -e some_command some files to work on and I like this: perl -MExtUtils::Command -e 'some_command qw(some files to work on)' For that use L. Filenames with * and ? will be glob expanded. =head2 FUNCTIONS =over 4 =cut # VMS uses % instead of ? to mean "one character" my $wild_regex = $Is_VMS ? '*%' : '*?'; sub expand_wildcards { @ARGV = map(/[$wild_regex]/o ? glob($_) : $_,@ARGV); } =item cat cat file ... Concatenates all files mentioned on command line to STDOUT. =cut sub cat () { expand_wildcards(); print while (<>); } =item eqtime eqtime source destination Sets modified time of destination to that of source. =cut sub eqtime { my ($src,$dst) = @ARGV; local @ARGV = ($dst); touch(); # in case $dst doesn't exist utime((stat($src))[8,9],$dst); } =item rm_rf rm_rf files or directories ... Removes files and directories - recursively (even if readonly) =cut sub rm_rf { expand_wildcards(); require File::Path; File::Path::rmtree([grep -e $_,@ARGV],0,0); } =item rm_f rm_f file ... Removes files (even if readonly) =cut sub rm_f { expand_wildcards(); foreach my $file (@ARGV) { next unless -f $file; next if _unlink($file); chmod(0777, $file); next if _unlink($file); require Carp; Carp::carp("Cannot delete $file: $!"); } } sub _unlink { my $files_unlinked = 0; foreach my $file (@_) { my $delete_count = 0; $delete_count++ while unlink $file; $files_unlinked++ if $delete_count; } return $files_unlinked; } =item touch touch file ... Makes files exist, with current timestamp =cut sub touch { my $t = time; expand_wildcards(); foreach my $file (@ARGV) { open(FILE,">>$file") || die "Cannot write $file:$!"; close(FILE); utime($t,$t,$file); } } =item mv mv source_file destination_file mv source_file source_file destination_dir Moves source to destination. Multiple sources are allowed if destination is an existing directory. Returns true if all moves succeeded, false otherwise. =cut sub mv { expand_wildcards(); my @src = @ARGV; my $dst = pop @src; if (@src > 1 && ! -d $dst) { require Carp; Carp::croak("Too many arguments"); } require File::Copy; my $nok = 0; foreach my $src (@src) { $nok ||= !File::Copy::move($src,$dst); } return !$nok; } =item cp cp source_file destination_file cp source_file source_file destination_dir Copies sources to the destination. Multiple sources are allowed if destination is an existing directory. Returns true if all copies succeeded, false otherwise. =cut sub cp { expand_wildcards(); my @src = @ARGV; my $dst = pop @src; if (@src > 1 && ! -d $dst) { require Carp; Carp::croak("Too many arguments"); } require File::Copy; my $nok = 0; foreach my $src (@src) { $nok ||= !File::Copy::copy($src,$dst); # Win32 does not update the mod time of a copied file, just the # created time which make does not look at. utime(time, time, $dst) if $Is_Win32; } return $nok; } =item chmod chmod mode files ... Sets UNIX like permissions 'mode' on all the files. e.g. 0666 =cut sub chmod { local @ARGV = @ARGV; my $mode = shift(@ARGV); expand_wildcards(); if( $Is_VMS_mode && $Is_VMS_noefs) { require File::Spec; foreach my $idx (0..$#ARGV) { my $path = $ARGV[$idx]; next unless -d $path; # chmod 0777, [.foo.bar] doesn't work on VMS, you have to do # chmod 0777, [.foo]bar.dir my @dirs = File::Spec->splitdir( $path ); $dirs[-1] .= '.dir'; $path = File::Spec->catfile(@dirs); $ARGV[$idx] = $path; } } chmod(oct $mode,@ARGV) || die "Cannot chmod ".join(' ',$mode,@ARGV).":$!"; } =item mkpath mkpath directory ... Creates directories, including any parent directories. =cut sub mkpath { expand_wildcards(); require File::Path; File::Path::mkpath([@ARGV],0,0777); } =item test_f test_f file Tests if a file exists. I with 0 if it does, 1 if it does not (ie. shell's idea of true and false). =cut sub test_f { exit(-f $ARGV[0] ? 0 : 1); } =item test_d test_d directory Tests if a directory exists. I with 0 if it does, 1 if it does not (ie. shell's idea of true and false). =cut sub test_d { exit(-d $ARGV[0] ? 0 : 1); } =item dos2unix dos2unix files or dirs ... Converts DOS and OS/2 linefeeds to Unix style recursively. =cut sub dos2unix { require File::Find; File::Find::find(sub { return if -d; return unless -w _; return unless -r _; return if -B _; local $\; my $orig = $_; my $temp = '.dos2unix_tmp'; open ORIG, $_ or do { warn "dos2unix can't open $_: $!"; return }; open TEMP, ">$temp" or do { warn "dos2unix can't create .dos2unix_tmp: $!"; return }; binmode ORIG; binmode TEMP; while (my $line = ) { $line =~ s/\015\012/\012/g; print TEMP $line; } close ORIG; close TEMP; rename $temp, $orig; }, @ARGV); } =back =head1 SEE ALSO Shell::Command which is these same functions but take arguments normally. =head1 AUTHOR Nick Ing-Simmons C Maintained by Michael G Schwern C within the ExtUtils-MakeMaker package and, as a separate CPAN package, by Randy Kobes C. =cut