ed

tips:

• matching the most unique part requires the least typing.
• ,n.
• use g/PAT/ s/PAT/NEW/ to report the first substitions on all lines.
• s/PAT/NEW/gp prints line after substitution.
  • s/PAT/NEW/gn prints with line-number.
• use g/PAT/t. \↲s/PAT/NEW to copy and modify line.
• add line spacing by escaping newlines: s/$/\↲↲
  • doublespace the whole document: ,s/$/\↲↲
• alternate delimiters help with search space with /.
  • e.g.: s@/bin@/usr/bin@g
  • @ is most people’s first go-to, but i prefer ,

bonus: sed

tips:

• delete lines that contain PAT, but not if it contains SKIP
  • sed '/PAT/{/SKIP/!d}'