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Shell Scripting Tutorial-35: Count The Number of Characters in User’s Input in Your Script

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Writing

In this tutorial you’ll learn a method to check if a single character has been provided as input to a variable in a shell script or more than one characters have been provided. We will use this method to build the script in the next tutorial.

Tutorial on ‘wc’: http://www.youtube.com/watch?v=Ex-mzjPwrmo