Utility programs used by man.
Col
filters out reverse (and half reverse) line feeds so that
the output is in the correct order with only forward and half forward
line feeds, and replaces white-space characters with tabs where possible.
This can be useful in processing the output of nroff
and
tbl
.
col
options
The control sequences for carriage motion that col
understands and their decimal values are listed in the following
table:
All unrecognized control characters and escape sequences are discarded.
Col
keeps track of the character set as characters are
read and makes sure the character set is correct when they are output.
If the input attempts to back up to the last flushed line,
col
will display a warning message.
col
invocation
The col
program is invoked by man
, catman
and
makewhatis
. There is normally no need to invoke col
from the command line.
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