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authorOlivier Blin <blino@mageia.org>2011-04-12 11:36:52 +0000
committerOlivier Blin <blino@mageia.org>2011-04-12 11:36:52 +0000
commitd8a7fd2813dccec1f2863700ce4ef0f3e5a12c30 (patch)
tree6d213d68795ca3f1d0a8c28f6b34411d07c05439 /lib/MDK/Common/File.pm
parente2c864512f4e0643422ebd4a8af1e333b67be424 (diff)
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substInFile: fix writing to zero-sized or nonexistent files (#460),
eof does not seem to return true anymore for filehandles vivified through select (behavior change seems introduced by upstream perl commit 32e653230c7ccc7fa595b1ab68502c6eb66ff980)
Diffstat (limited to 'lib/MDK/Common/File.pm')
-rw-r--r--lib/MDK/Common/File.pm10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/MDK/Common/File.pm b/lib/MDK/Common/File.pm
index a44c479..4dbb99d 100644
--- a/lib/MDK/Common/File.pm
+++ b/lib/MDK/Common/File.pm
@@ -342,11 +342,15 @@ sub substInFile(&@) {
fsync($F);
unlink "$file$^I"; # remove old backup now that we have closed new file
} else {
- local *F; my $old = select F; # that way eof return true
+ #- special handling for zero-sized or nonexistent files
+ #- because while (<>) will not do any iteration
+ open(my $F, "+> $file") or return;
+ #- "eof" without an argument uses the last file read
+ my $dummy = <$F>;
local $_ = '';
&$f($_);
- select $old;
- eval { output($file, $_) };
+ print $F $_;
+ fsync($F);
}
}