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authorJim Cromie <jim.cromie@gmail.com>2011-05-23 12:44:55 -0600
committerMichal Marek <mmarek@suse.cz>2011-05-24 16:07:07 +0200
commitde7b0b4110795be914e6cafdfec4276b2618cc78 (patch)
tree7800d8bc7778229004a95e1599a334095d8c4d43
parent2ee2d29289951b4cb7578d75f199e4aa4084fe6f (diff)
downloadleg-kernel-de7b0b4110795be914e6cafdfec4276b2618cc78.tar.gz
export_report: do collectcfiles work in perl itself
Avoid spawning a shell pipeline doing cat, grep, sed, and do it all inside perl. The <*.c> globbing construct works at least as far back as 5.8.9 Note that this is not just an optimization; the sed command in the pipeline was unterminated, due to lack of escape on the end-of-line (\$) in the regex, resulting in this: $ perl ../linux-2.6/scripts/export_report.pl > /dev/null sed: -e expression #1, char 5: unterminated `s' command sh: .mod.c/: not found Comments on an earlier patch sought an all-perl implementation. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> cc: Michal Marek <mmarek@suse.cz>, cc: linux-kbuild@vger.kernel.org cc: Arnaud Lacombe lacombar@gmail.com cc: Stephen Hemminger shemminger@vyatta.com Signed-off-by: Michal Marek <mmarek@suse.cz>
-rw-r--r--scripts/export_report.pl10
1 files changed, 8 insertions, 2 deletions
diff --git a/scripts/export_report.pl b/scripts/export_report.pl
index 04dce7c15f83..f97899c87923 100644
--- a/scripts/export_report.pl
+++ b/scripts/export_report.pl
@@ -49,8 +49,14 @@ sub usage {
}
sub collectcfiles {
- my @file
- = `cat .tmp_versions/*.mod | grep '.*\.ko\$' | sed s/\.ko$/.mod.c/`;
+ my @file;
+ while (<.tmp_versions/*.mod>) {
+ open my $fh, '<', $_ or die "cannot open $_: $!\n";
+ push (@file,
+ grep s/\.ko/.mod.c/, # change the suffix
+ grep m/.+\.ko/, # find the .ko path
+ <$fh>); # lines in opened file
+ }
chomp @file;
return @file;
}