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Adding files to Archive::Tar

by btrott (Parson)
on Mar 17, 2001 at 01:02 UTC ( #65027=snippet: print w/replies, xml ) Need Help??
Description: This is a routine I've used in the past to add files to an Archive::Tar object (in the process of creating a tar archive). My objective was to get relative paths in the archive, rather than paths from the root.

Usage:

my $tar = Archive::Tar->new; add_to_tar($tar, $thing_to_add, $base_dir); $tar->write($gz, 9);
$thing_to_add can be either a file or a directory.

$base_dir is the key to relative paths. For example, say I had a directory directory '/foo/bar', and in that directory is another directory 'baz'. I can do something like this:

add_to_tar($tar, 'baz', '/foo/bar');
Alternatively, the second directory could contain the full path:
add_to_tar($tar, '/foo/bar/baz', '/foo/bar');
Hope this is useful.
    sub add_to_tar {
        my($tar, $thing, $base) = @_;

        if (defined $base) {
            chdir $base or die "Can't chdir to $base: $!";
            $thing =~ s!^$base/?!!;
        }

        if (-f $thing) {
            $tar->add_files($thing);
        }
        elsif (-d $thing) {
            my $code = sub {
                return if !-f $_;

                local *FH;
                open FH, $_ or die "Can't open $_: $!";
                binmode FH;
                my $c = do { local $/; <FH> };
                close FH or die "Can't close $_: $!";

                $tar->add_data($File::Find::name, $c);
            };
            find $code, $thing;
        }
    }
Replies are listed 'Best First'.
Re: Adding files to Archive::Tar
by Anonymous Monk on Nov 30, 2011 at 22:16 UTC
    Hey, you made my day! Thank you so much!
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[marto]: Corion, pretty much. How are things? You were at LPW?
[Corion]: marto: Yep, but I didn't make it up north, sorry ;)
[Corion]: But LPW was enjoyable, even though it's always a bit hectic due to cramming everything into one day
[Corion]: I have no feeling about how my talk was received, but I'm happy with it, which counts the most to me ;-D
[Corion]: Also, London is always a nice visit, as I got to meet a friend there, and spent some time offline, working on "minor" features of the shadertoy thing ;)
[marto]: maybe next year when the kids are a little older I'll have time to attend perl events in Europe

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