Gordon Davisson questions

Gordon Davisson answers

• How to translate seconds to minutes & seconds in Bash?
• What is the rationale behind variable assignment without space in bash script
• "mkdir || echo && exit" exiting even when mkdir succeeds
• bash tar error doesn't create tar.gz
• /bin/dash: Bad substitution
• How to prevent code/option injection in a bash script
• How to use parameter expansion correctly in bash [duplicate]
• EOL character missing from file on Linux
• grep does not print filename of result for some files with special characters
• Bash variable of name starting with 'DYLD' is not loaded into environment: bug or feature?