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bash silently ignores additional arguments for cd


From: hanzl
Subject: bash silently ignores additional arguments for cd
Date: Wed, 7 Dec 2011 14:21:30 +0100 (CET)

Configuration Information [Automatically generated, do not change]:
Machine: i686
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i686' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu' 
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/local/share/locale' -DPACKAGE='bash' 
-DSHELL -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib   -g -O2
uname output: Linux mepi 2.6.22-1-mepis-smp #1 SMP PREEMPT Sun Nov 11 15:54:46 
EST 2007 i686 GNU/Linux
Machine Type: i686-pc-linux-gnu

Bash Version: 4.2
Patch Level: 0
Release Status: release

Description:
        cd silently ignores additional arguments
        pwd, pushd and popd also do ignore additional arguments

        This seemes to be a long standing behavior, it is the same in bash 
3.1.17.

        Problem is also described here: 
http://old.nabble.com/cd-with-multiple-arguments--td30418151.html

        This bug is mostly benign, however missing newline at the end of a cd 
command leads to
        silent skip of the following command line. Error report would help here.

Repeat-By:
        cd xxx yyy

        No error is reported for yyy.

Fix:
        Make bash to report error for superfluous arguments for cd, pwd, pushd 
and popd.
        Alternatively, describe current behavior in bash man page (and 
preferably
        explain - maybe it is required for compatibility with some historical 
shell?)



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