script shell

In this stage, we remove punctuation characters from a file or text. You must write a shell-script named stripchars that can be called in either of two ways: strip chars filename, which reads the file named filename: or strip chars, which reads from standard-input. We define punctuation as any of the characters OI]{ or For example, if the input was: Twaddle you say? I'll have you know there's a deepy truth in what I said Then the output from stripchars would be the lines