UL(1)UL(1)NAMEul - do underlining
SYNOPSISul [-i] [-t terminal] [filename]...
DESCRIPTIONul reads the named filenames (or the standard input if none are given)
and translates occurrences of underscores to the sequence which indi‐
cates underlining for the terminal in use, as specified by the environ‐
ment variable TERM. ul uses the /usr/share/lib/terminfo entry to
determine the appropriate sequences for underlining. If the terminal is
incapable of underlining, but is capable of a standout mode then that
is used instead. If the terminal can overstrike, or handles underlining
automatically, ul degenerates to cat(1). If the terminal cannot under‐
line, underlining is ignored.
Override the terminal kind specified in the environment.
If the terminal cannot underline, underlining is
ignored. If the terminal name is not found, no underlin‐
ing is attempted.
Indicate underlining by a separate line containing
appropriate dashes `−'; this is useful when you want to
look at the underlining which is present in an nroff(1)
output stream on a CRT-terminal.
RETURN VALUESul returns exit code 1 if the file specified is not found.
SEE ALSOcat(1), man(1), nroff(1), attributes(5)BUGS
nroff usually generates a series of backspaces and underlines inter‐
mixed with the text to indicate underlining. ul makes attempt to opti‐
mize the backward motion.
Mar 17, 1994 UL(1)