Question: Completely unsure on how to do this.Please help by using python or a linuix terminal Thanks envir.sh The script should do the following: 1. Test

Completely unsure on how to do this.Please help by using python or a linuix terminal Thanks

envir.sh

The script should do the following:

1. Test that it has been given a command line argument. It should print a usage message and exit if no argument is given.

2. List all global variables that contain the string given in the command line argument.

Do this using a pipe calling env and then grep to filter the output of env for variables which contain the string given as an argument to the script. Thus, if I wanted to see all variables that contained "SSH", I would run

 ./envir.sh SSH

Be sure to test this script several times to make sure it works.

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