Groups of common lines, with a blank gutter, are copied from the first file to the output. After each group of differing lines, sdiff prompts with '%' and pauses, waiting for one of the following commands. Follow each command using the Return (or Enter) key.
'e'
Discard both versions. Invoke a text editor on an empty temporary file,
then copy the resulting file to the output.
'eb'
Concatenate the two versions, edit the result in a temporary file, then
copy the edited result to the output.
'el'
Edit a copy of the left version, then copy the result to the output.
'er'
Edit a copy of the right version, then copy the result to the output.
'l'
Copy the left version to the output.
'q'
Quit.
'r'
Copy the right version to the output.
's'
Silently copy common lines.
'v'
Verbosely copy common lines. This is the default.
The text editor invoked is specified by the EDITOR environment variable if it is set. The default is system-dependent.
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