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my shell script (file modifications)
hi guys
Need some help on my below script #!/bin/sh if [ -f /root/joy/inittab ] then echo "~~:S:wait:/sbin/sulogin" >> /root/joy/inittab else echo "/root/joy/inittab does not exist" fi now the problem is that when i run the above script it runs successfully but when i run it repeatedly the word echo "~~:S:wait:/sbin/sulogin" gets added to the file irrespectively the no of times i run the script. I jst want the line created jst once in the file irrespective of times i run the script.How do i do pls help and thanks in advance reg:ash |
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