marco questions

marco answers

• awk stumper: regex substitution within a field
• Replace percent-escaped characters in string (%20, %5B, …) with bash
• awk print matching line and line before the matched
• Prevent bash from printing “<PID> Aborted” messages
• Random number between range in shell
• Duplicating stdout to stderr
• How can I replace multiple empty lines with a single empty line in bash?