Portability of shell scripts from other *nixes

[Da Rock]

On 01/26/12 08:08, Doug Poland wrote:
> Hello,
>
> I'm trying port some shell scripts to FreeBSD that were originally
> written on Darwin (OS X).
>
> The issue I'm having is the shebang line of the scripts in OS X is
> #!/bin/sh, and it turns out that is really an instance of bash, and
> the code contains some bashisms.  On FreeBSD I have bash in
> /usr/local/bin/bash.
>
> Is there an "easy/best" way to have a single shebang that works on
> both OS's?  I'd rather not change FreeBSD's bourne shell to bash with
> any symlinking of /usr/local/bin/bash to /bin/sh.
Cant you simply change the shebang to !#/usr/local/bin/bash?