xref: /openbsd-src/gnu/usr.bin/perl/utils/streamzip.PL (revision 256a93a44f36679bee503f12e49566c2183f6181)
1de8cc8edSafresh1#!/usr/local/bin/perl
2de8cc8edSafresh1
3de8cc8edSafresh1use Config;
4de8cc8edSafresh1use File::Basename qw(&basename &dirname);
5de8cc8edSafresh1use Cwd;
6de8cc8edSafresh1
7de8cc8edSafresh1# List explicitly here the variables you want Configure to
8de8cc8edSafresh1# generate.  Metaconfig only looks for shell variables, so you
9de8cc8edSafresh1# have to mention them as if they were shell variables, not
10de8cc8edSafresh1# %Config entries.  Thus you write
11de8cc8edSafresh1#  $startperl
12de8cc8edSafresh1# to ensure Configure will look for $Config{startperl}.
13de8cc8edSafresh1
14de8cc8edSafresh1# This forces PL files to create target in same directory as PL file.
15de8cc8edSafresh1# This is so that make depend always knows where to find PL derivatives.
16de8cc8edSafresh1my $origdir = cwd;
17de8cc8edSafresh1chdir dirname($0);
18de8cc8edSafresh1my $file = basename($0, '.PL');
19de8cc8edSafresh1$file .= '.com' if $^O eq 'VMS';
20de8cc8edSafresh1
21de8cc8edSafresh1open OUT, ">", $file or die "Can't create $file: $!";
22de8cc8edSafresh1
23de8cc8edSafresh1print "Extracting $file (with variable substitutions)\n";
24de8cc8edSafresh1
25de8cc8edSafresh1# In this section, perl variables will be expanded during extraction.
26de8cc8edSafresh1# You can use $Config{...} to use Configure variables.
27de8cc8edSafresh1
28de8cc8edSafresh1print OUT <<"!GROK!THIS!";
29de8cc8edSafresh1$Config{startperl}
30de8cc8edSafresh1    eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
31*256a93a4Safresh1	if 0; # ^ Run only under a shell
32de8cc8edSafresh1!GROK!THIS!
33de8cc8edSafresh1
34de8cc8edSafresh1use File::Spec;
35de8cc8edSafresh1
36de8cc8edSafresh1my $script = File::Spec->catfile(
37de8cc8edSafresh1            File::Spec->catdir(
38de8cc8edSafresh1                File::Spec->updir, qw[ cpan IO-Compress bin ]
39de8cc8edSafresh1            ), "streamzip");
40de8cc8edSafresh1
41de8cc8edSafresh1if (open(IN, '<', $script)) {
42de8cc8edSafresh1    print OUT <IN>;
43de8cc8edSafresh1    close IN;
44de8cc8edSafresh1} else {
45de8cc8edSafresh1    die "$0: cannot find '$script'\n";
46de8cc8edSafresh1}
47de8cc8edSafresh1
48de8cc8edSafresh1close OUT or die "Can't close $file: $!";
49de8cc8edSafresh1chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
50de8cc8edSafresh1exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';
51de8cc8edSafresh1chdir $origdir;
52