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-rw-r--r--Master/tlpkg/TeXLive/TLUtils.pm3
1 files changed, 3 insertions, 0 deletions
diff --git a/Master/tlpkg/TeXLive/TLUtils.pm b/Master/tlpkg/TeXLive/TLUtils.pm
index 6c4d564cf3d..342318596a6 100644
--- a/Master/tlpkg/TeXLive/TLUtils.pm
+++ b/Master/tlpkg/TeXLive/TLUtils.pm
@@ -3666,6 +3666,9 @@ sub _create_config_files {
tlwarn("Updating $dest, backup copy in $dest.backup\n");
copy("-f", $dest, "$dest.backup");
}
+ # ensure destination directory exists.
+ my $destdir = dirname ($dest);
+ -d $destdir || mkdirhier $destdir; # if fails, the next open will die.
open(OUTFILE,">$dest")
or die("Cannot open $dest for writing: $!");