113 lines
2.5 KiB
Perl
Executable File
113 lines
2.5 KiB
Perl
Executable File
#!/usr/bin/perl
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# a simple script to print the proper name for perl libraries.
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# I plan to rewrite this in C so that perl is not required by RPM at
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# build time.
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# by Ken Estes Mail.com kestes@staff.mail.com
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# it would be much better if perl could tell us the proper name of a
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# given script.
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if ("@ARGV") {
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foreach (@ARGV) {
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process_file($_);
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}
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} else {
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# notice we are passed a list of filenames NOT as common in unix the
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# contents of the file.
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foreach (<>) {
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process_file($_);
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}
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}
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foreach $module (sort keys %require) {
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if (length($require{$module}) == 0) {
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print "perl($module)\n";
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} else {
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print "perl($module)=$require{$module}\n";
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# we need to print it without the version number until the
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# requires syntax accepts version numbers correctly.
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print "perl($module)\n";
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}
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}
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exit 0;
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sub process_file {
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my ($file) = @_;
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chomp $file;
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open(FILE, "<$file")||
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die("Could not open file: '$file' : $!\n");
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my ($package, $version) = ();
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while (<FILE>) {
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# skip the documentation
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if ( (m/^=(head1|head2|pod)/) .. (m/^=(cut)/) ) {
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next;
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}
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# skip the data section
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if (m/^__(DATA|END)__$/) {
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last;
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}
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# not everyone puts the package name of the file as the first
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# package name so we report all namespaces as if they were
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# provided packages (really ugly).
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if (m/^\s*package\s+([_:a-zA-Z0-9]+)\s*;/) {
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$package=$1;
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undef $version;
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$require{$package}=undef;
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}
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# after we found the package name take the first assignment to
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# $VERSION as the version number. Exporter requires that the
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# variable be called VERSION so we are safe.
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# here are examples of VERSION lines from the perl distribution
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#FindBin.pm:$VERSION = $VERSION = sprintf("%d.%02d", q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/);
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#ExtUtils/Install.pm:$VERSION = substr q$Revision: 1.1 $, 10;
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#CGI/Apache.pm:$VERSION = (qw$Revision: 1.1 $)[1];
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#DynaLoader.pm:$VERSION = $VERSION = "1.03"; # avoid typo warning
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if (
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($package) &&
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(m/^\s*\$VERSION\s+=\s+/)
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) {
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# first see if the version string contains the string
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# '$Revision' this often causes bizzare strings and is the most
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# common method of non static numbering.
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if (m/(\$Revision: (\d+[.0-9]+))/) {
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$version= $2;
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} elsif (m/[\'\"]?(\d+[.0-9]+)[\'\"]?/) {
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# look for a static number hard coded in the script
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$version= $1;
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}
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$require{$package}=$version;
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}
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}
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return ;
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}
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