Thank you very much for explaining. I will try what Sandy suggested.
I had tested at the command line already just as Jeff did. The
confusion came from the fact that I had tried it in csh and in csh,
doing the "ls |xargs cat" returned 1. Annoying.
C.
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I am really going crazy here. I have the following system call that I
would like to run from perl:
"ls *.txt | xargs cat > out"
if *.txt does not exist then I expect to get an exit code different
from 0.
So to test I do:
use strict;
my $f = "file_which_does_not_exist";
# method 1
print "test
