diff options
| -rwxr-xr-x | scripts/download.pl | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/scripts/download.pl b/scripts/download.pl index f636cca7eb..c29b5fe78e 100755 --- a/scripts/download.pl +++ b/scripts/download.pl @@ -18,8 +18,17 @@ my $ok; @ARGV > 0 or die "Syntax: $0 <target dir> <filename> <md5sum> <mirror> [<mirror> ...]\n"; -my $md5cmd = `which md5sum`; -$md5cmd or $md5cmd = `which md5`; +sub which($) { + my $prog = shift; + my $res = `which $prog`; + $res or return undef; + $res =~ /^no / and return undef; + $res =~ /not found/ and return undef; + return $res; +} + +my $md5cmd = which("md5sum"); +$md5cmd or $md5cmd = which("md5"); $md5cmd or die 'no md5 checksum program found, please install md5 or md5sum'; chomp $md5cmd; |