fold — wrap each input line to fit in specified width
fold [OPTION...] [FILE...]
Wrap input lines in each FILE, writing to standard output.
With no FILE, or when FILE is −, read standard input.
Mandatory arguments to long options are mandatory for short options too.
−b, −−bytescount bytes rather than columns
−s, −−spacesbreak at spaces
−w, −−width=WIDTH/use WIDTH columns instead of 80
−−helpdisplay this help and exit
−−versionoutput version information and exit
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
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