Steve Greenland <[EMAIL PROTECTED]> writes:
> On 10-Aug-05, 13:38 (CDT), Philip Brown <[EMAIL PROTECTED]> wrote:
>> > [1] Useful fragment for cross platform shell scripts:
>> >
>> > #!/bin/sh
>> > # Do the Solaris Dance:
>> > if [ ! -d ~root ] ; then
>> > exec /usr/xpg4/bin/sh $0 "$@"
>> > fi
>> >
>>
>> sigh.. okay, my "correction" had bugs, too :-)
>> better as
>>
>>
>> if [ ! -d ~root -a -x /usr/xpg4/bin/sh ] ; then
>>
>
> No, because that will let the script continue if there is no POSIX shell
> available. You want it to exit immediately, rather than randomly fail
> when you hit unsupported functionality.
>
> As a practical matter, any modern Solaris (>=7, probably even 2.6 and 2.5)
> machine has /usr/xpg4/bin/sh installed.
>
> Steve
But what if there is a /usr/xpg4/bin/sh that isn't posix? :)
MfG
Goswin
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