11-21-2004
help on creating shell script
Can some one smart here help I need to create a shell script that does this below using vi editor.
decrypts a file (specified as an argument to the script) containing text which was encrypted using the ROT-13 algorithm. The decrypted text should be written to a new file leaving the input file unchanged. An error message should be displayed and the script terminate if the input file does not exist.
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