sh script works, zsh script doesn't

Peter A. Castro doctor@fruitbat.org
Fri May 26 20:39:00 GMT 2006


On Fri, 26 May 2006, Dave Korn wrote:

> On 26 May 2006 06:29, Vidiot wrote:
>
>> But, if anyone has a clue as to why starting of a Windblows program from
>> a Z-shell doesn't work, yet from a shell-script, it does, I'd certainly
>> appreciate knowing.
>
>  Well, isn't it going to be because sh and zsh are different shells with
> different syntax and commands and rules about quoting and escaping?

I doubt that's it, because zsh strives to be fully sh compatable (as well
as ksh and mostly bash-ish).  No, the real problem is likely something
else.

Vidiot doesn't really state how zsh fails, so I'd really like more
details as to what he's seeing.

>> echo "#!/bin/sh" > $LOG
>> echo "#Starting TSReader at $DATE" >> $LOG
>> echo "tsreader -1 -d -i -s tsreader_twinhan1030.dll $MUX \
>> 	${DRIVE}:\\${FILENAME}-${DATE}.ts $LENGTH \
>> 	$FREQ 0 $SYMB $LOFREQ 0" >> $LOG
>> chmod 775 $LOG
>> $LOG
>>
>> #tsreader -1 -d -i -s tsreader_twinhan1030.dll $MUX
>> ${DRIVE}:\\${FILENAME}-${DATE}.ts $LENGTH $FREQ 0 $SYMB $LOFREQ 0
>
>  Hmmm.  Peculiar.  Both bash (which is what you get for sh under cygwin) and
> zsh understand the -x option, which prints out each line of script as you
> execute it.  Try modifying the first line to each of "#!/usr/bin/zsh -x" and
> #!/usr/bin/sh -x" and running it that way; it should let you see what actual
> args are getting passed to tsreader.
>
>    cheers,
>      DaveK

-- 
Peter A. Castro <doctor@fruitbat.org> or <Peter.Castro@oracle.com>
 	"Cats are just autistic Dogs" -- Dr. Tony Attwood

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