split wants a scalar but grep provides a list. If you know you're only going to get one matching line back, try this.

my @job_autorep= split /\s+/, (grep {/$job_name/},`autorep -j $job_nam
+e`)[0];
[download]

---
print map { my ($m)=1<<hex($_)&11?' ':'';
$m.=substr('AHJPacehklnorstu',hex($_),1) }
split //,'2fde0abe76c36c914586c';
[download]