[Android WebView] Run license scanning in parallel

android_webview/tools/find_files.pl

+#!/usr/bin/perl -w
+# Copyright 2013 The Chromium Authors. All rights reserved.

[mkosiba (inactive), 2014/09/23 15:53:52]

2014?

[mnaganov (inactive), 2014/09/23 16:13:03]

I will be removing both of the files soon (definitely in the next 75 years :) so
I decided not to bother about this.

+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Use: find_files.pl <start-from> [exclude-dir ...]
+
+use strict;
+use warnings;
+use File::Basename;
+
+my $progname = basename($0);
+
+my $root_dir = shift @ARGV;
+my @find_args = ();
+while (@ARGV) {
+    my $path = shift @ARGV;
+    push @find_args, qw'-not ( -path', "*/$path/*", qw'-prune )'
+}
+push @find_args, qw(-follow -type f -print);
+
+open FIND, '-|', 'find', $root_dir, @find_args
+            or die "$progname: Couldn't exec find: $!\n";
+my $check_regex = '\.(asm|c(c|pp|xx)?|h(h|pp|xx)?|p(l|m)|xs|sh|php|py(|x)' .
+    '|rb|idl|java|el|sc(i|e)|cs|pas|inc|js|pac|html|dtd|xsl|mod|mm?' .
+    '|tex|mli?)$';
+my @files = ();
+while (<FIND>) {
+    chomp;
+    print "$_\n" unless (-z $_ || !m%$check_regex%);
+}
+close FIND;