diff options
Diffstat (limited to 'urpm/util.pm')
| -rw-r--r-- | urpm/util.pm | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/urpm/util.pm b/urpm/util.pm index 520ce7f7..b12c49a0 100644 --- a/urpm/util.pm +++ b/urpm/util.pm @@ -8,10 +8,9 @@ our @ISA = 'Exporter'; our @EXPORT = qw(quotespace unquotespace remove_internal_name reduce_pathname offset_pathname - untaint + md5sum untaint copy_and_own same_size_and_mtime - partition uniq difference2 member file_size cat_ dirname basename ); @@ -88,6 +87,21 @@ sub untaint { @r == 1 ? $r[0] : @r; } +sub md5sum { + my ($file) = @_; + eval { require Digest::MD5 }; + if ($@) { + #- Use an external command to avoid depending on perl + return (split ' ', `/usr/bin/md5sum '$file'`)[0]; + } else { + my $ctx = Digest::MD5->new; + open my $fh, $file or return ''; + $ctx->addfile($fh); + close $fh; + return $ctx->hexdigest; + } +} + sub copy { my ($file, $dest) = @_; !system("/bin/cp", "-p", "-L", "-R", $file, $dest); @@ -116,16 +130,6 @@ sub same_size_and_mtime { $sstat[7] == $lstat[7] && $sstat[9] == $lstat[9]; } -sub partition(&@) { - my $f = shift; - my (@a, @b); - foreach (@_) { - $f->($_) ? push(@a, $_) : push(@b, $_); - } - \@a, \@b; -} - -sub uniq { my %l; $l{$_} = 1 foreach @_; grep { delete $l{$_} } @_ } sub difference2 { my %l; @l{@{$_[1]}} = (); grep { !exists $l{$_} } @{$_[0]} } sub member { my $e = shift; foreach (@_) { $e eq $_ and return 1 } 0 } sub cat_ { my @l = map { my $F; open($F, '<', $_) ? <$F> : () } @_; wantarray() ? @l : join '', @l } |