Regular expression is popular topic in system administrators and developers. Regular expression is used to find structured text or string in single or multiple files. The best side of regular expression we can define whatever we want to match string in texts. Python supports and provides a lot of methods...
tr is mainly used to translate or delete characters in bash. tr is not a complex but useful command. We will look various usage scenarios of tr in this tutorial. Syntax
tr [OPTION]... SET1 [SET2]
Help Help can be get with –help parameter like below.
$ tr --help
Man Man page of tr can be also...