vim tutorial – using the s command to replace text on the fly

The vim text editor comes with a powerful :s (substitution) command that is more versatile and expressive than the search and replace functionality found in GUI based text editors. The general form of the command is: :[g][address]s/search-string/replace-string[/option] The… Read More

Linux tutorial: Searching all files of a specific type for a string

Let’s say you want to search all the *.txt files in a given parent directory and all its children for the word “hello”. Something like grep -rl “hello” *.txt would not work because the shell will expand “*.txt”… Read More