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Re: Fwd: Bash bug interpolating delete characters
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From: |
Greg Wooledge |
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Subject: |
Re: Fwd: Bash bug interpolating delete characters |
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Date: |
Thu, 3 May 2012 09:01:04 -0400 |
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User-agent: |
Mutt/1.4.2.3i |
> Yours, Rüdiger.
> a=x
> del="$(echo -e "\\x7f")"
>
> echo "$del${a#x}" | od -ta
> echo "$del ${a#x}" | od -ta
> echo " $del${a#x}" | od -ta
Yup, confirmed that it breaks here, and only when the # parameter expansion
is included.
imadev:~$ del=$'\x7f' a=x b=
imadev:~$ echo " $del$b" | od -ta
0000000 sp del nl
0000003
imadev:~$ echo " $del${b}" | od -ta
0000000 sp del nl
0000003
imadev:~$ echo " $del${b#x}" | od -ta
0000000 sp del nl
0000003
imadev:~$ echo " $del${a#x}" | od -ta
0000000 sp nl
0000002
Bash 4.2.24.