cdrecord scripting question.

From: Wayne Pinette (Wpinette_at_cariboo.bc.ca)
Date: 09/03/04

  • Next message: diego.veiga_at_embraer.com.br: "RE: ssh prompt timeout" 
    Date: Fri, 03 Sep 2004 08:29:36 -0700
To: redhat-list@redhat.com

    Howdy all, I have a sh/bash/csh scripting question regarding cdrecord

    I have a system here who's owner wants to do daily backups to cd rw
    cd's. I wrote a script to do
    this using cdrecord (make the iso file first, then burn it to cd) and
    it works famously except for one
    small and annoying problem.

    I try to log everything I do and then print off the log. Unfortunately
    the output I get from
    cdrecord is not actually going to the log file so there is no
    information as whether the backup was
    successful or not, which makes the printout pretty much useless.

    The script is as follows :

    #!/bin/sh
    echo " " >/tmp/backup.log
    echo 'Starting Backup: ' `date` >>/tmp/backup.log
    echo " " >>/tmp/backup.log
    echo "blanking cd...">>/tmp/backup.log
    echo `cdrecord dev=0,0,0 blank=all` >> /tmp/backup.log
    echo ' ' >> /tmp/backup.log
    echo "making /tmp/backup.ios">>/tmp/backup.log
    echo `mkisofs -R -o /tmp/backup.iso /home` >> /tmp/backup.log
    echo ' ' >>/tmp/backup.log
    echo "burning cd...">>/tmp/backup.log
    echo `cdrecord -v dev=0,0,0 /tmp/backup.iso` >>/tmp/backup.log
    echo ' '>>/tmp/backup.log
    echo 'Finished Backup: '`date`>>/tmp/backup.log
    echo " ">>/tmp/backup.log
    lp -d roland -o InputSlot=Tray1 /tmp/backup.log

    If I do these commands at command line, pertinent (and unfortunately
    curses style) information is spit out, but it is not caught in my echo
    `` calls.
    Anyone have any ideas? I must admit i have enough shell scripting
    syntax knowledge to be mostly dangerous to myself and others :-)

    Wayner 

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  • Next message: diego.veiga_at_embraer.com.br: "RE: ssh prompt timeout"

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