On Sun, Jan 10, 2010 at 10:47 PM, William Stein <wst...@gmail.com> wrote:
> Is the following possible with sh? Instead of
>
> <do something>
> if [ $? -ne 0 ]; then
> echo "Foo bar argh"
> exit 1
> fi
>
> we make a function so that we can just write
>
> <do something>
> sage-err "Foo bar argh".
> (causes script to exit).
>
> We can ensure that sage-err is defined before spkg-install is run.
sage_err ()
{
if [ $? -ne 0 ]; then
echo "$@"
exit 1
fi
}
Gonzalo
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