- Start ed, editing an empty document (which can be saved as a new file in the current directory):ed- Start ed, editing an empty document, with `:` as a command prompt indicator:ed -p :- Start ed editing an existing file (this shows the byte count of the loaded file):ed -p : [path/to/file]- Toggle the printing of error explanations. (By default, explanations are not printed and only a `?` appears):H- Add text to the current document. Mark completion by entering a period by itself in a new line:a[text_to_insert].- Print the entire document (`,` is a shortcut to the range `1,$` which covers the start to the end of the document):,p- Write the current document to a new file (the filename can be omitted if `ed` was called with an existing file):w [filename]- Quit ed:q
ed [options] [file]
GNU Ed - The GNU line editor.
Start edit by reading in 'file' if given. If 'file' begins with a '!', read output of shell command.
Exit status: 0 for a normal exit, 1 for environmental problems (file not found, invalid flags, I/O errors, etc), 2 to indicate a corrupt or invalid input file, 3 for an internal consistency error (eg, bug) which caused ed to panic.
Report bugs to firstname.lastname@example.org Ed home page: http://www.gnu.org/software/ed/ed.html General help using GNU software: http://www.gnu.org/gethelp
Copyright © 1994 Andrew L. Moore. Copyright © 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
The full documentation for Ed is maintained as a Texinfo manual. If the info and Ed programs are properly installed at your site, the command
should give you access to the complete manual.