kurumi questions

kurumi answers

• use "grep" command to find txt files containing telephone number
• path in shebang
• Bash stdout character limit
• "while read LINE do" and grep problems
• Sequences expansion and variable in bash [duplicate]
• Why is this grep filter slow?
• Simple method to shuffle the elements of an array in BASH shell?
• replace spaces only in between quotation marks
• linux find regex
• What's the difference of using #!/usr/bin/env or #!/bin/env in shebang?