colcrt - Filters text processor output for screen previewing
colcrt [- -2] [file...]
command filters output from text processors
so that it can be previewed on a cathode
ray tube (CRT).
Suppresses underlining; this is useful for previewing boxed
Causes all half-lines to be printed, effectively doublespacing
the output. This is useful when printing output with subscripts and superscripts
on a line printer, where half-lines do not normally appear.
command provides virtual half-linefeed
and reverse linefeed sequences for terminals without such capability, and
on which overstriking is destructive. The
changes underline characters to dashes and places them and half-line characters
on new lines in between the normal output lines.
cannot back up more than 102 lines.
General overstriking is lost; as a special case a
(vertical bar) overstruck with a
(underline) becomes a
Lines are trimmed to 132 bytes.
The following command line illustrates a typical use of colcrt: tbl exum2.n | nroff -ms | colcrt - | more
Commands: col(1), deroff(1), more(1), neqn(1), nroff(1), pg(1), tbl(1), ul(1)