2015-10-08 15:15:08 +00:00
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.Dd 2015-10-08
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2015-01-31 13:20:02 +00:00
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.Dt COLS 1
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2015-01-31 19:37:03 +00:00
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.Os sbase
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2014-12-08 15:07:19 +00:00
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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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2015-01-30 20:17:58 +00:00
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.Nm
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2015-01-31 23:55:22 +00:00
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.Op Fl c Ar num
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2014-12-08 15:07:19 +00:00
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.Op Ar file ...
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.Sh DESCRIPTION
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.Nm
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2015-01-31 23:55:22 +00:00
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reads each
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.Ar file
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in sequence and writes them to stdout, in as many vertical
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2015-01-31 13:43:27 +00:00
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columns as will fit in
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2015-01-31 23:55:22 +00:00
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.Ar num
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2015-03-08 18:33:46 +00:00
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character columns.
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If no
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2015-01-31 13:43:27 +00:00
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.Ar file
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is given,
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.Nm
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reads from stdin.
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2015-02-19 11:24:28 +00:00
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.Pp
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By default
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.Nm cols
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tries to figure out the width of the output
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device. If that fails, it defaults to 65 chars.
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2014-12-08 15:07:19 +00:00
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.Sh OPTIONS
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2015-01-31 23:55:22 +00:00
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.Bl -tag -width Ds
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2015-03-08 18:33:46 +00:00
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.It Fl c Ar num
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Set maximum number of character columns to
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.Ar num ,
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unless input lines exceed this limit.
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2015-02-19 11:24:28 +00:00
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.El
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.Sh ENVIRONMENT
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2015-03-08 18:33:46 +00:00
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.Bl -tag -width Ds
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2015-02-19 11:24:28 +00:00
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.It COLUMNS
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2015-03-08 18:33:46 +00:00
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The width of the output device.
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2014-12-08 15:14:43 +00:00
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.El
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2015-01-31 13:43:27 +00:00
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.Sh HISTORY
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.Nm
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2015-02-01 19:52:28 +00:00
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is similar to
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.Xr mc 1
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in Plan 9. It was renamed to
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2015-01-31 13:43:27 +00:00
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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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2015-01-31 23:55:22 +00:00
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.Sh CAVEATS
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2012-05-21 22:16:46 +00:00
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This implementation of
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2014-12-08 15:07:19 +00:00
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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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2012-05-21 22:16:46 +00:00
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currently mangles files which contain embedded NULs.
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