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-rwxr-xr-xmkdefaults4
1 files changed, 2 insertions, 2 deletions
diff --git a/mkdefaults b/mkdefaults
index f125e0452..2a0ba8d7c 100755
--- a/mkdefaults
+++ b/mkdefaults
@@ -16,9 +16,9 @@ if ($#ARGV > 0 && $ARGV[0] eq "-o") {
$header .= '.h';
$cfile .= '.c';
}
-die "usage: $0 input_file\n" unless $#ARGV == 0;
+die "usage: $0 [input_file]\n" unless $#ARGV == -1 || $#ARGV == 0;
-$infile = $ARGV[0];
+$infile = $ARGV[0] || "def_data.in";
if (!defined($header)) {
$header = $infile;
$header =~ s/(\.in)?$/.h/;