Bob Doolittle wrote:
> Stewart Walters wrote:
>> Andreas von Heydwolff wrote:
>>> Dear listmembers,
>>>
>>> installing SRSS 4.2EA on my Debian server I realized that using
>>> http://wiki.sun-rays.org/images/f/f5/95SUNW-pulseaudio.txt or similar
>>> scripts requires installing ksh and a line on top of the script that
>>> is to be put in /etc/X11/Xsessions.d/ as follows:
>>>
>>>   #!/usr/bin/ksh
>>>
>>> Otherwise
>>>
>>> # sed "s|UTAUDIODEV|$UTAUDIODEV|g" /usr/local/bin/utpulse.pa >
>>> ${PULSECONF}
>>>
>>> will not work because the default bash shell throws an error message
>>> and does not insert the current variable; using slashes instead of
>>> the pipe  signs results in bash only in a literally inserted
>>> $UTAUDIODEV.
>>>
>>> Cost me an hour or two to figure it out, perhaps this could be
>>> updated in the respective Wikis. With ksh the script works very well.
>>>
>>> Greetings,
>>>
>>> --AvH

>>
>> I think from memory the last time I did an install of Sun Ray on
>> Debian (SRSS 4.1 on Stable/Lenny), the installation script for SRSS
>> aborted unless I already had ksh installed in the first place (it does
>> a check).
>>
>> Is that possible why it's never had a shebang added to the first line
>> of that script?
> 
> Those scripts do say "#!/bin/sh" at the start. The point was to use the
> least-common-denominator shell, and that's typically /bin/sh. Bourne
> shell and ksh both expand variables in double-quotes. So does bash:
> 
> bash-3.00$ A=foo
> bash-3.00$ echo foobar | sed "s/$A/blech/"
> blechbar
> bash-3.00$ echo foobar | sed "s|$A|blech|"
> blechbar
> 
> As you can see above, pipes or slashes are used shouldn't matter - sed
> will use whatever the character that follows the 's' in its substitution
> command, and it doesn't appear that bash does anything strange with '|'
> in double-quotes. Maybe you have a new version of bash that is now
> handling '|' or variable-expansion in double-quotes differently? Maybe
> this is a bug in your Debian release?
> 

Thanks, Bob and Stewart,

My bash is ver. 3.2.39 and strangely enough I can now make it work with
the examples. Will try to reproduce the previous outcome and understand
where I got stuck when I have a bit more time again, thanks for your time!

Andreas



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