new release script, which sets versions for extensions

tools/replace_version.pl

@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+
+####
+# Usage
+#
+# perl replace_version.pl --file=/path/to/file.php --version=2.8.0
+
+use strict;
+use warnings;
+
+use Getopt::Long;
+use File::Basename;
+
+my %opt = ();
+GetOptions(
+    \%opt,
+    qw/
+          file=s
+          version=s
+      /
+);
+
+if (not -e $opt{file}) {
+    die "file missing ".$opt{file};
+}
+
+my $new_content = '';
+open(my $ifh, '<'.$opt{file}) or die 'Houston, problem with "'.$opt{file}.'" for reading';
+while (<$ifh>) {
+    if (/^Version:/) {
+        $_ = 'Version: '.$opt{version}.''."\n";
+    }
+    $new_content.= $_;
+}
+close($ifh);
+
+open(my $ofh, '>'.$opt{file}) or die 'Houston, problem with "'.$opt{file}.'" for writing';
+print {$ofh} $new_content;
+close($ofh);