script help urgent

[CHEN WAI CHUAN]

i want to write a script to output multiple commands output to a file eg . list dmesg,ioscan & bdf output to a.out file.

[John Poff]

Hello,

To get the output of multiple commands into one output file, you just need to specify the redirection to append to the file. Try something like this:

dmesg >file.txt
ioscan -fn >>file.txt
bdf >>file.txt

The first redirection just uses one greater than symbol '>' which will create the file and send standard output to it. The next two redirections use two greater than symbols '>>' which append to the file. If you want to keep writing information to the same file without clearing it at the start you can make the first command use '>>' also.

I hope this helps you. If not, post another question and we'll try something else.

JP

[Rob Smith]

Hi, try this:

#!/usr/bin/sh

SYSTEM=`hostname`
STALE=`vgdisplay -v | grep stale | wc -l`

print "$SYSTEM"

print `date`

if [ $STALE = 0 ];then
echo "No Stale Mirrors on $SYSTEM"
else
echo "The Following Mirrors are Stale on $SYSTEM: "
vgdisplay -v | egrep -e "LV Name" -e "stale"
fi

echo ""
UNAVAIL=`vgdisplay -v | grep unavail | wc -l`

if [ $UNAVAIL = 0 ];then
echo "No Unavailable Drives on $SYSTEM"
else
echo "The Following Drives are Unavailable on $SYSTEM: "
vgdisplay -v | egrep -e "Name" -e "unavail"
fi

echo ""
echo "Uptime Output"
uptime

echo ""
echo "Who -br Output"
who -br

echo ""
echo "Output of bdf -l"
bdf -l

echo ""
echo "Last 10 Lines of Dmesg"
echo ""
dmesg | tail -10

echo ""
echo "Last 25 Lines of /var/adm/syslog/syslog.log"
echo ""
tail -25 /var/adm/syslog/syslog.log

echo ""
echo "Ioscan Output"
ioscan -kf

When you run it you can pipe it to a file or e-mail it to yourself etc. I hope this helps.

Rob

[Michael Tully]

Hi,

If you wish to run something simple you
just use the script program:

# script /tmp/output
# dmesg
# ioscan -fn
# bdf
# vgdisplay -v

etc etc...
The output of all of these will go to
/tmp/output

To finish use Cntl D

HTH
Michael

[Andreas Voss]

Hi,

you can redirect all output within a script when adding a line such as:

exec >file.log

at the top of the script. All following command will put their output to the file.log

Using

exec >file.log 2>&1

will also redirect standard error of all following commands to the file.

Regards