how to grep error messages

[cwillu]

option one:  "use the error codes"

cd "$1" || echo something went wrong!
cd "$1" && echo everything went right!

option two:  "you were so close!"

cd "$1" 2>&1 | grep -i "No such file or directory"

The extra '&1' is needed to send cd's (actually bash's, as cd is a
builtin) error output to grep's standard input

On Sun, Jun 28, 2009 at 3:39 AM, Soren Orel<soren.orel at gmail.com> wrote:
> I can /dev/null the error messages like:
>
> cd "$1" 2> /dev/null
>
> e.g.: I get error If "$1" has spaces in it
>
> Ok, but how can I grep the error message? I tried:
>
> if cd "$1" 2> grep -i "No such file or directory"; then echo "badbadbad";
> exit; fi
>
> But it doesn't work :S
>
> thank you!
>
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