ul(1) manual page
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ul - do underlining
ul [ -i ] [ -t terminal ] [ filename... ]
SUNWdoc
ul reads the named filenames (or the standard
input if none are given) and translates occurrences of underscores to the
sequence which indicates underlining for the terminal in use, as specified
by the environment 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 underline,
underlining is ignored.
- -t terminal
- Override the terminal kind specified
in the environment. If the terminal cannot underline, underlining is ignored.
If the terminal name is not found, no underlining is attempted.
- -i
- 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.
ul returns exit code
1 if the file specified is not found.
- /usr/share/lib/terminfo/*
-
cat(1)
, man(1)
, nroff(1)
nroff usually generates a series
of backspaces and underlines intermixed with the text to indicate underlining.
ul makes attempt to optimize the backward motion.
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