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Only look for numerics if a shell variable begins with a number.

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2012-12-01 12:52:26 -08:00
parent 6c1a5b8051
commit 8ebbdee20f
1 changed files with 2 additions and 2 deletions
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4
Shorewall/Perl/Shorewall/Config.pm
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@ -2481,8 +2481,8 @@ sub set_action_param( $$ ) {
#
sub expand_variables( \$ ) {
my ( $lineref, $count ) = ( $_[0], 0 );
# $1 $2 $3 - $4
while ( $$lineref =~ m( ^(.*?) \$({)? (\w+) (?(2)}) (.*)$ )x ) {
# $1 $2 $3 - $4
while ( $$lineref =~ m( ^(.*?) \$({)? (\d+|[a-zA-Z]\w*) (?(2)}) (.*)$ )x ) {
my ( $first, $var, $rest ) = ( $1, $3, $4);