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

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 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

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

Explanation / Answer

2. Try writting this in envir.sh file. It will run everytime.

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