perlbrew: Command [ ... ] terminated with exit code 0 ($? = 13)

rsFalse has asked for the wisdom of the Perl Monks concerning the following question:

Hello,
I'm getting this strange ~~error~~ warning when printing bigger output of 'perlbrew exec perl' into pipe to 'less -S':

$ perlbrew exec perl -wle 'print " A" x 1e3 for 1 .. 1e2' | less -S
Command [perl -wle 'print " A" x 1e3 for 1 .. 1e2'] terminated with ex
+it code 0 ($? = 13) under the following perl environment:
[download]

Any ideas why it occurs?
P.S. I have two perls in perlbrew.

Comment on perlbrew: Command [ ... ] terminated with exit code 0 ($? = 13) Select or Download Code

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Re: perlbrew: Command [ ... ] terminated with exit code 0 ($? = 13) by haukex (Archbishop) on Mar 15, 2021 at 10:28 UTC
`$? = 13` is (typically) a `SIGPIPE`. You probably exited `less` before scrolling through all the output.	[reply] [d/l] [select]
Re^2: perlbrew: Command [ ... ] terminated with exit code 0 ($? = 13) by rsFalse (Chaplain) on Mar 15, 2021 at 10:46 UTC
Ye. For sure. Thanks! If doesn't throw a warning if I scroll whole output. But if I try with slightly changed line: `perlbrew exec perl -wle 'print " A" x 1e0 for 1 .. 1e2' \| less -S` [download] There is no warning, although I didn't scroll the whole output.	[reply] [d/l]
Re^3: perlbrew: Command [ ... ] terminated with exit code 0 ($? = 13) by haukex (Archbishop) on Mar 15, 2021 at 11:15 UTC
But if I try with slightly changed line: `perlbrew exec perl -wle 'print " A" x 1e0 for 1 .. 1e2' \| less -S` [download] There is no warning, although I didn't scroll the whole output. `perl -wle 'print " A" x 1e0 for 1 .. 1e2'` is 300 bytes, while `perl -wle 'print " A" x 1e3 for 1 .. 1e2'` is 200100 bytes. Since you're piping the output of `perl` to another program, `perl`'s output isn't line-based (see e.g. Suffering from Buffering), and so what I'm fairly certain is happening is that `perl` is simply outputting the 300 bytes in one go. Update: Because `perl -wle '$\|++; print " A" x 1e0 for 1 .. 1e2'` isn't killed by `SIGPIPE` either, it may also have something to do with how much data a pipe can buffer, but I'm not an expert on that.	[reply] [d/l] [select]
Re^4: perlbrew: Command [ ... ] terminated with exit code 0 ($? = 13) by ikegami (Patriarch) on Mar 15, 2021 at 21:52 UTC


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