user/dev discussion of public-inbox itself
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From: Eric Wong <>
Subject: [PATCH] config: do not slurp lines into memory
Date: Thu,  9 Feb 2017 00:27:12 +0000
Message-ID: <> (raw)

There's no need to hold everything in memory, here,
since apparently "foreach" will read everything at
once in array context

(for some reason, I thought Perl5 was smart enough
 to avoid creating a temporary array, here...)
 lib/PublicInbox/ | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/ b/lib/PublicInbox/
index 28b5bdb..f6275cd 100644
--- a/lib/PublicInbox/
+++ b/lib/PublicInbox/
@@ -111,7 +111,7 @@ sub git_config_dump {
 	my $fh = popen_rd(\@cmd) or die "popen_rd failed for $file: $!\n";
 	my %rv;
 	local $/ = "\n";
-	foreach my $line (<$fh>) {
+	while (defined(my $line = <$fh>)) {
 		chomp $line;
 		my ($k, $v) = split(/=/, $line, 2);
 		my $cur = $rv{$k};

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user/dev discussion of public-inbox itself

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