fold - fold long lines for finite width output device
fold [-bs] [-w width] [file ...]
fold is a filter which folds the contents of the specified
files, or the
standard input if no files are specified, breaking the lines
to have a
maximum of 80 characters.
The options are as follows:
-b Count width in bytes rather than column positions.
-s Fold line after the last blank character within the
column positions (or bytes).
Specifies a line width to use instead of the default
The fold utility exits 0 on success or >0 if an error occurred.
The fold utility conforms to IEEE Std 1003.2-1992
If underlining is present it may be messed up by folding.
width should be a multiple of 8 if tabs are present, or the
be expanded using expand(1) before using fold.
OpenBSD 3.6 June 6, 1993
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