gniourf_gniourf questions

gniourf_gniourf answers

• Use of $? in a bash function
• Minus sign in double quotes in grep is recognized like an option
• Running command within test statement in bash
• Make grep exit early when it finds a match
• Cannot access 2>&1: How to treat variable content as a redirection not as filename
• bash wildcard with variables inside an if statement
• Difference between error= and error=''
• BASH rounding float to the nearest tenth
• Expanding asterisk in bash
• How to count the number of characters in each line of a file, excluding a list of specific characters?