From: Vidiot <brown AT mrvideo DOT vidiot DOT com>
Message-Id: <200605260529.k4Q5TUX23890@mrvideo.vidiot.com>
Subject: sh script works, zsh script doesn't
To: cygwin AT cygwin DOT com
Date: Fri, 26 May 2006 00:29:29 -0500 (CDT)
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At the end of this e-mail is the script that I am attempting to run.  As it is
current written, the tsreader program will start and run, IFF the $LOG file
is told to run.  As can be seen, it is built as a SHell script.

If I comment out the ling that start $LOG and uncomment the line at the very
end, tsreader is started, but it complains about not receiving what it is
expecting for the tsreader_twinhan1030.dll source.  The items it complains
about are the last 5 values.

Yet, as can be seen, that same command line is placed into the shell-script
file and it works from there.  Starting directly from the Z-shell file
results in an error.

I run the script from cron, which doesn't allow me to see the error GUI.
When I run the crontan line by hand, then I see the tsreader error GUI.

I've asked the author of tsreader if there is an option I can do that will
create a log file with what it "sees" on the command line for options.  I just
sent that off before this e-mail.

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.

Thanks.

MB
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#!/usr/bin/zsh

#
# TSReader batch file for universal capture - called from cron
#
# The capture options are placed on the command line, and consists of:
#
# -c  set C-band LO frequency (default)
# -d  destination drive letter, i.e., c, d, e, f or g (:\ added)
# -f  filename
# -k  set Ku-band LO frequency
# -l  length of capture, in hh:mm:ss
#	(hh, mm or ss can be single digits) - but all must be there
# -m  mux program stream ID to capture
#	if set to zero, the complete mux is captured (default = 0)
# -r  downlink frequency
# -s  symbolrate
#

# default variables
DATE=`date +%y%m%d-%H%M`
DRIVE=E
ERROR=0
FILENAME=TSReader-DVB
FREQ=""
LENGTH=""
LOG=/tmp/Timer-TSReader.log.$$
LOFREQ=5150
MUX="-a 0"
PATH=${PATH}:/cygdrive/c/Program\ Files/COOL.STF/TSReader
SYMB=""

while getopts cd:f:kl:m:r:s: OPT
do
    case "$OPT" in
	(c) LOFREQ=5150
	    ;;
	(d) DRIVE=$OPTARG
	    ;;
	(f) FILENAME=$OPTARG
	    ;;
	(k) LOFREQ=10750
	    ;;
	(l) LENGTH=$OPTARG
	    ;;
	(m) if [[ $OPTARG -ge 1 ]] then;
	       MUX="-r $OPTARG"
	   fi
	    ;;
	(r) FREQ=$OPTARG
	    ;;
	(s) SYMB=$OPTARG
	    ;;
    esac
done

if [[ $LENGTH = "" ]] then;
    ERROR=1
    echo "No length given (-l)" >> $LOG
fi
if [[ $FREQ = "" ]] then;
    ERROR=1
    echo "No sat frequency given (-r)" >> $LOG
fi
if [[ $SYMB = "" ]] then;
    ERROR=1
    echo "No symbol rate given (-s)" >> $LOG
fi
if [[ $ERROR -eq 1 ]] then;
    echo "" >> $LOG
    echo "One too many errors, giving up." >> $LOG
    exit 1
fi

# convert human length into TSReader seconds
HH=`echo $LENGTH | cut -d: -f1`
MM=`echo $LENGTH | cut -d: -f2`
SS=`echo $LENGTH | cut -d: -f3`
LENGTH=$(( $HH * 3600 + $MM * 60 + $SS ))

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

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