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Bash loops and otherwise mishandles long lines


From: Paul Eggert
Subject: Bash loops and otherwise mishandles long lines
Date: Sun, 23 Dec 2012 09:34:18 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0

Here's how to reproduce the problem:

(printf 'ln '
 perl -e 'print "x"x(2**31)'
 printf ' '
 perl -e 'print "x"x(2**30)'
 printf '\n'
) >bigscript
bash bigscript

On my x86-64 host, Bash loops, seemingly forever.
I expect it's using a 32-bit integer to keep track
of line lengths, somewhere.

This bug report was inspired by the following report:

http://debbugs.gnu.org/13258

That bug report is against coreutils, but the real
bug was in bash, so I'm closing bug 13258 and forwarding
this to address@hidden



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