When flock() hangs and you haven't specified LOCK_NB, then it is very, very likely that another process holds a lock on that file and you are waiting for that lock to clear.

Since the file is named "/tmp/$$.tmp", I can't think what other process would be likely to hold a lock on it. Try the following: 

use Fcntl qw( :flock );
#[...]
      open(TMPA, "+> $tempfile")
          or die "Could not open tempfile: $!";
      flock(TMPA, LOCK_EX|LOCK_NB) or die "ERROR: $!";

[download]

FYI, saying "it dies here" makes it sound like the "or die" is triggered and you see the value of $!.

        - tye (but my friends call me "Tye")

In reply to Re: More Eyes by tye
in thread More Eyes, Please by Kozz

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