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I wish hash -r (or something like it) would happen automaticly


From: Britton Leo Kerin
Subject: I wish hash -r (or something like it) would happen automaticly
Date: Fri, 06 Jan 2006 10:10:26 -0900

Configuration Information [Automatically generated, do not change]:
Machine: i486
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i486' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i486-pc-linux-gnu' 
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
-DHAVE_CONFIG_H   -I.  -I../bash -I../bash/include -I../bash/lib   -g -O2
uname output: Linux greenwood 2.6.8-1-k7 #1 Thu Nov 25 04:13:37 UTC 2004 i686 
GNU/Linux
Machine Type: i486-pc-linux-gnu

Bash Version: 3.1
Patch Level: 0
Release Status: release

Description:

I sometimes forget to run hash -r after sticking something new in my
path, and get confused.  One thing I've always been hazy on is whether
there is a way in unix to connect to a 'dir-contents-changed' signal
or the like, but if so I would much prefer my interactive shells at
least to automaticly notice new binaries as they show up in $PATH.
Its especially confusing because the 'which' command, which is the
first one people learn to find out which binaries they are running.

Or maybe there is already such functionality?

Repeat-By:

I'm sure the maintainers are familiar with how this happens.

Fix:

Not sure the best way, but as I said above an option to do this, with
a few refs to it in appropriate places in the documentation, would be
most welcome, and I think it would be good if it were the default
behavior.





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