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linux shell scripts example

 shell script:

#!/usr/bin/sh

filename = `date | awk '{print $6"_"$3"_"$2"_fw.tar"}'`

tar -cvf /home/backup/$filename /tmp/*.*



#put STDOUT together

( echo "please check the directory $CHECKDIR\n"; ls -l $CHECKDIR; )



cat austria.usernams  |awk '{print tolower($1)}'





IDLEPOS=`eval /usr/bin/vmstat 1 1 | /usr/bin/awk '/ sy /{i=1; while (i<NF) {if ($i~/sy/) print i; i+=1}}'`

vmstat 1 5 | awk 'BEGIN{ID=0}; / id /{i=1; while (i<NF) {if (tolower($i)~/id/) {ID=i; printf("ID in Spalte %s\n", ID)} ; i+=1}} ; /^ [0-9]+/{print $ID}'

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linux shell scripts example