diff options
| author | Norbert Preining <preining@logic.at> | 2012-09-19 13:59:51 +0000 |
|---|---|---|
| committer | Norbert Preining <preining@logic.at> | 2012-09-19 13:59:51 +0000 |
| commit | 77260b26bd76334d4c5d4650c6025d0c95780df2 (patch) | |
| tree | 426856199072cad50d4f42a5620f085d5fa7acec /Master | |
| parent | 2e25b08f0ab9ab9990d25fc9125ff3d7b5687e96 (diff) | |
make sure that we get a first line even on cygwin which returns undef
when reading from an empty file
git-svn-id: svn://tug.org/texlive/trunk@27741 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master')
| -rw-r--r-- | Master/tlpkg/TeXLive/TLUtils.pm | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Master/tlpkg/TeXLive/TLUtils.pm b/Master/tlpkg/TeXLive/TLUtils.pm index 65a60dfde6e..9b4f995e87b 100644 --- a/Master/tlpkg/TeXLive/TLUtils.pm +++ b/Master/tlpkg/TeXLive/TLUtils.pm @@ -2692,8 +2692,12 @@ sub check_for_old_updmap_cfg { return unless -r $oldupd; # if no such file, good. open (OLDUPD, "<$oldupd") || die "open($oldupd) failed: $!"; - chomp( my $firstline = <OLDUPD> ); + my $firstline = <OLDUPD>; close(OLDUPD); + # cygwin returns undef when reading from an empty file, we have + # to make sure that this is anyway initialized + $firstline = "" if (!defined($firstline)); + chomp ($firstline); # if ($firstline =~ m/^# Generated by (install-tl|.*\/tlmgr) on/) { # assume it was our doing, rename it. |