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generate: Avoid $err_file undefined warning during startup
author
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Mon, 30 Dec 2019 11:02:59 +0000
(11:02 +0000)
committer
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Mon, 30 Dec 2019 12:00:34 +0000
(12:00 +0000)
If, for example, one of the input files implied by the command line
arguments is missing, err is called with $err_file not yet set.
Handle this case.
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
generate
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diff --git
a/generate
b/generate
index ad8c9eadecf8ae1df38183cdb8e010cd53fff865..01c123e1c5c45b67af8d1c60c2b76870a40c3113 100755
(executable)
--- a/
generate
+++ b/
generate
@@
-187,7
+187,9
@@
our %warn_unk;
sub err ($) {
my ($m) = @_;
- die "subdirmk: ${err_file}:$.: $m\n";
+ die defined $err_file
+ ? "subdirmk: ${err_file}:$.: $m\n"
+ : "subdirmk: $m\n";
}
sub wrncore ($$) {