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From: isabella parakiss <izaberina@gmail.com>
Newsgroups: gnu.bash.bug
Subject: ! in PS1 in posix mode
Date: Sun, 11 Oct 2015 07:37:41 +0200
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Xref: csiph.com gnu.bash.bug:11612

In posix mode, bash replaces ! in my PS1 with the history number.

$ PS1=' ! '
 ! set -o posix
 513 exit

It doesn't happen with any other prompt escape sequence, afaict.
This looks... intentional?  WTF?


---
xoxo iza