@ARGV > 0 or die "Syntax: $0 <target dir> <filename> <md5sum> <mirror> [<mirror> ...]\n";
+my $md5cmd = `which md5sum`;
+$md5cmd =~ /not found/ and $md5cmd = `which md5`;
+$md5cmd =~ /not found/ and die 'no md5 checksum program found, please install md5 or md5sum';
+
sub download
{
my $mirror = shift;
-
+
open WGET, "wget -t1 --timeout=20 -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n";
- open MD5SUM, "| md5sum > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n";
+ open MD5SUM, "| $md5cmd > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n";
open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
my $buffer;
while (read WGET, $buffer, 1048576) {