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need to log the execution of script

inside /etc/ppp/ip-up.d i have this script that executes automatically when the interface ppp0 comes up.

Code:

#!/bin/sh



echo "Checking if exist internet connection"



ping -c 3 www.google.com



if [ $? -eq 0 ]; then



  echo "Starting to send & download email"



  echo "Flushing mail queue"



  /usr/sbin/postqueue -c /etc/postfix -f



  echo "Starting fetchmail"



  /usr/bin/fetchmail -v -f /etc/fetchmailrc -L /var/log/fetchmail.log



  echo "Checking mail queue and fetchmail process"



  while ! postqueue -p | grep -q empty && ps -C fetchmail > /dev/null; do



    echo "There is still mail in queue or fetchmail is still working"



    sleep 1



  done



  echo "Terminating the connection"



  killall wvdial



fi



echo "Internet connection not found"

i need to see the output for debug of this script, how can i log this to /var/log/script.log everytime it runs automatically?

need to log the execution of script

Hi,
I would do it like this:

Quote:

#!/bin/bash

#### logging this script into 2 log files
SHELL_LOG="`basename $0`.log"
# Logs stderr and stdout to separate files.
exec 2> >(tee "$SHELL_LOG.err")
exec > >(tee "$SHELL_LOG")

echo "Checking if exist internet connection"
ping -c 3 www.google.com
if [ $? -eq 0 ]; then
echo "Starting to send & download email"
echo "Flushing mail queue"
/usr/sbin/postqueue -c /etc/postfix -f
echo "Starting fetchmail"
/usr/bin/fetchmail -v -f /etc/fetchmailrc -L /var/log/fetchmail.log
echo "Checking mail queue and fetchmail process"
while ! postqueue -p | grep -q empty && ps -C fetchmail > /dev/null; do
echo "There is still mail in queue or fetchmail is still working"
sleep 1
done
echo "Terminating the connection"
killall wvdial
fi
echo "Internet connection not found"