42 lines
981 B
Groff
42 lines
981 B
Groff
.Dd December 8, 2014
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.Dt COLS 1
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.Os
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.Sh NAME
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.Nm cols
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.Nd columnize output
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.Sh SYNOPSIS
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.Nm
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.Op Fl c Ar chars
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.Op Ar file ...
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.Sh DESCRIPTION
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.Nm
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reads each file in sequence and writes them to stdout,
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in as many vertical columns as will fit in
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.Ar chars
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character columns.
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If no file is given, cols reads from stdin.
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.Sh OPTIONS
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.Bl -tag -width xxxxxxxx
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.It Fl c Ar chars
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Specifies the maximum number of character columns to use
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(unless the input contains lines longer than
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.Ar chars
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characters). By default cols tries to figure out the width
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of the output device, if that fails it defaults to 65
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chars.
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.El
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.Sh BUGS
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This implementation of
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.Nm
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assumes that each UTF-8 code point occupies one character cell,
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and thus mishandles TAB characters (among others).
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.Pp
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.Nm
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currently mangles files which contain embedded NULs.
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.Sh HISTORY
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.Nm
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is similar to the mc(1) command on Plan 9. It was renamed to
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.Nm
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to avoid the name collision with the popular file manager
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Midnight Commander.
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