Re: Problems with a bash script and cron

["Rino Mardo" <helixfish@gmx.net>]

try removing #!/bin/bash



-----------------------------------------------
who watches the watchmen?
----- Original Message -----
From: "Lars Bjarby" <laban@gmx.net>
To: <debian-user@lists.debian.org>
Sent: Monday, October 09, 2000 9:22 AM
Subject: Problems with a bash script and cron


> Hi!
>
> This question isn't really Debian specific, but as I use Debian I thought
> this was a good forum. I've got this small bash script that works
perfectly
> when I run it from the shell, but it won't work when I try to run it
> through cron and I don't get any error messages from the cron daemon
either
> (maybe I'm looking in the wrong places).
>
> The script below downloads the specified URL and generates and MD5 sum for
> the  HTML source. If this is the first time the script is run it saves the
> MD5 sum in a file otherwise the MD5 sum is checked against the old one. If
> they differ, the script will send an e-mail to me.
>
> (yes, I know this script really isn't useful for slashdot as the page is
> different every time...but it's good for debuging)
>
> ----------8<----------8<----------8<----------8<----------8<----------8<--
--------
> #!/bin/bash
>
> EMAIL="laban@gmx.net"
> MD5FILE="/home/laban/tmp/chkwww.md5"
> URL="http://www.slashdot.org";
> DATE=`date +"%Y-%m-%d %H:%M"`
> SUBJECT="Update - $DATE"
> LOG="FALSE"
> LOGFILE="/home/laban/tmp/chkwww.log"
>
> ###############################################
>
> if [ "$LOG" = "TRUE" ]; then echo -e "$DATE\t$0\tChecking for
> updates..." >>$LOGFILE; fi
>
> MD5SUM_NOW=`lynx --source $URL | md5sum`
>
> if [ ! -e $MD5FILE ]; then
>          echo $MD5SUM_NOW > $MD5FILE
>          exit
> fi
>
> MD5SUM_DISK=`head -1 $MD5FILE`
> echo $MD5SUM_NOW > $MD5FILE
>
> if [ $MD5SUM_NOW != $MD5SUM_DISK ]; then
>          echo "$URL has been updated." | mail -s "$SUBJECT" $EMAIL
>          if [ "$LOG" = "TRUE" ]; then echo -e "$DATE\t$0\tPage updated,
> notification sent to $EMAIL." >>$LOGFILE; fi
> else
>          if [ "$LOG" = "TRUE" ]; then echo -e "$DATE\t$0\tPage not
> updated." >>$LOGFILE; fi
> fi
>
> if [ "$LOG" = "TRUE" ]; then echo -e "$DATE\t$0\tExiting..." >>$LOGFILE;
fi
> ----------8<----------8<----------8<----------8<----------8<----------8<--
--------
>
> My crontab looks like this:
>
> 0,15,30,45 * * * /home/laban/bin/chkwww
>
> Any ideas?
>
> .//Laban - laban@gmx.net - 311885@ICQ - Public PGP-key available
>
>
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