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fix download.pl for weird 'which' implementations

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5068 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-10-14 00:07:19 +00:00
parent 92eb69df51
commit 4665bf1d2c
1 changed files with 11 additions and 2 deletions
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13
scripts/download.pl
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@ -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;