Re: Shell and Perl scripts
Re: Shell and Perl scripts
- Subject: Re: Shell and Perl scripts
- From: Ron Hunsinger <email@hidden>
- Date: Sat, 7 May 2005 13:13:42 -0700
At 7:26 AM -0500 5/7/05, Dave Gillam wrote:
So try duplicating the PATH assignment for BASH_ENV, thus:
# System-wide .profile for sh(1)
PATH="/bin:/sbin:/usr/bin:/usr/sbin"
export PATH
BASH_ENV="/bin:/sbin:/usr/bin:/usr/sbin"
export BASH_ENV
if [ "${BASH-no}" != "no" ]; then
[ -r /etc/bashrc ] && . /etc/bashrc
fi
This *should* give the script-invoked bash the path you are seeking.
Let's set aside the error that BASH_ENV is the name of a script to
run, not the desired PATH. And the error that if the added lines are
ever found, the PATH is already set correctly so they aren't needed.
This kind of change is dangerous to a developer. It'll make things
work differently on your own machine than they do on everyone else's.
In particular, if you test something, and it works but only because
you've made your configuration non-standard, and then distribute it
to other users, they'll complain that it doesn't work. You'll be left
scratching your head and saying "I dunno, it works on my machine.
What have you done to yours that makes my good code break?"
It doesn't even have to be a different user. When you upgrade your
OS, /etc/profile might get overwritten, and suddenly your stuff stops
working. By this time, you'll have forgotten the change you made, and
blame the upgrade for breaking your stuff.
I know this is the Automator Users list, and there's little
likelihood that you're planning to distribute your automator scripts
to others, but you need to remember that this kind of change affects
everything that executes shell commands: 'do shell script ...' in
AppleScript, 'widget.system(...)' in Dashboard Widgets, `...` in
perl, 'system(...)' from C, etc. Any of those will behave differently
on different machines and possibly across different OS releases on
your own.
-Ron Hunsinger
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