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-rw-r--r--urpm/util.pm4
1 files changed, 3 insertions, 1 deletions
diff --git a/urpm/util.pm b/urpm/util.pm
index 47a89f08..321902b4 100644
--- a/urpm/util.pm
+++ b/urpm/util.pm
@@ -5,7 +5,7 @@ package urpm::util;
use strict;
use Exporter;
our @ISA = 'Exporter';
-our @EXPORT = qw(quotespace unquotespace
+our @EXPORT = qw(min quotespace unquotespace
remove_internal_name
reduce_pathname offset_pathname
untaint
@@ -17,6 +17,8 @@ our @EXPORT = qw(quotespace unquotespace
(our $VERSION) = q($Revision$) =~ /(\d+)/;
+sub min { my $n = shift; $_ < $n and $n = $_ foreach @_; $n }
+
#- quoting/unquoting a string that may be containing space chars.
sub quotespace { my $x = $_[0] || ''; $x =~ s/(\s)/\\$1/g; $x }
sub unquotespace { my $x = $_[0] || ''; $x =~ s/\\(\s)/$1/g; $x }