58 lines
995 B
Plaintext
58 lines
995 B
Plaintext
.TH COL 1
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.SH NAME
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col \- column alignment
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.SH SYNOPSIS
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.B col
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[
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.B -bfx
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]
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.SH DESCRIPTION
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.I Col
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overlays lines to expunge reverse line feeds
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(ESC-7)
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and half line feeds (ESC-9 and ESC-8)
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as produced by
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.I nroff
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for .2C in
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.IR ms (6)
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or
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.IR man (6)
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and for
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.IR tbl (1).
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.I Col
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is a pure filter.
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It normally emits only full line feeds;
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option
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.B -f
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(fine) allows half line feeds too.
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Option
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.B -b
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removes backspaces, printing just one of each pile of overstruck
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characters.
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.I Col
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normally converts white space to tabs;
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option
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.B -x
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overrides this feature.
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Other escaped characters and non-printing characters are ignored.
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.SH EXAMPLES
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.TP
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.L
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tbl file | nroff -ms | col | p
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Format some tables for printing on typewriters;
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use
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.I col
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to remove reverse line feeds, and
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paginate the output.
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.SH SOURCE
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.B /sys/src/cmd/col.c
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.SH SEE ALSO
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.IR pr (1)
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.SH BUGS
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.I Col
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can't back up more than 128 lines or
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handle more than 800 characters per line,
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and understands
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.L VT
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(013) as reverse line feed.
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