ed

The form of a ed command

[address [,address]]command[parameters]

• The addresses are like those of sed with many extensions:
  • . for the present line
  • - and + for the previous and next line
  • % for the whole document
  • /re/ for the next line matching re
  • ?re? for the previous line matching re
  • etc...
• Some of the commands are
  • a append text to the selected line
  • d detele the selected lines from buffer
  • g/re/command-list apply command-list to each of the addressed lines matching re
  • p print the selected lines
  • s/re/repl/fl substitute re with repl
  • w file write buffer to file
  • q quit