On 2022-11-07 at 11:56:19 +0000,
"Weatherby,Gerard" <gweathe...@uchc.edu> wrote:
> Write the wrapper script.
>
> #!/bin/bash
> if [ $(hostname) == "oldystem" ]; then
> exec /usr/bin/python $*
> else
> exec /usr/bin/python2 $*
> fi
Use "$@" (with the quotes) instead of a bare $*. The former preserves
quoted arguments, while the latter does not.
Also, it's probably more robust to check explcitly for python2 instead
of depending on the hostname. Renaming hosts isn't a common operation,
but in general, checking for what something *does* or *has* is better
than checking for what it *is* (hey, look: duck typing!).
Implementing both suggestions yields this:
#! /bin/bash
if [ -x /usr/bin/python2 ]; then
exec /usr/bin/python2 "$@"
else
exec /usr/bin/python "$@"
fi
YMMV.
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