UL(1) BSD General Commands Manual UL(1)NAME
ul -- do underlining
SYNOPSIS
ul [-i] [-t terminal] [name ...]
DESCRIPTION
Ul reads the named files (or 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. The terminfo database is read to determine the appropri-
ate 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.
The following options are available:
-i Underlining is indicated by a separate line containing appropriate dashes `-'; this is useful when you want to look at the underlin-
ing which is present in an nroff output stream on a crt-terminal.
-t terminal
Overrides the terminal type specified in the environment with terminal.
ENVIRONMENT
The following environment variable is used:
TERM The TERM variable is used to relate a tty device with its device capability description (see terminfo(5)). TERM is set at login time,
either by the default terminal type specified in /etc/ttys or as set during the login process by the user in their login file (see
setenv(1)).
SEE ALSO man(1), nroff(1), colcrt(1)BUGS
Nroff usually outputs a series of backspaces and underlines intermixed with the text to indicate underlining. No attempt is made to optimize
the backward motion.
HISTORY
The ul command appeared in 3.0BSD.
4th Berkeley Distribution June 6, 1993 4th Berkeley Distribution
Check Out this Related Man Page
UL(1) BSD General Commands Manual UL(1)NAME
ul -- do underlining
SYNOPSIS
ul [-i] [-t terminal] [file ...]
DESCRIPTION
The ul utility reads the named files (or 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. The file /etc/termcap is read 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.
The following options are available:
-i Underlining is indicated by a separate line containing appropriate dashes `-'; this is useful when you want to look at the underlin-
ing which is present in an nroff(1) output stream on a crt-terminal.
-t terminal
Overrides the terminal type specified in the environment with terminal.
ENVIRONMENT
The LANG, LC_ALL, LC_CTYPE and TERM environment variables affect the execution of ul as described in environ(7).
EXIT STATUS
The ul utility exits 0 on success, and >0 if an error occurs.
SEE ALSO colcrt(1), man(1), nroff(1)HISTORY
The ul command appeared in 3.0BSD.
BUGS
The nroff(1) command usually outputs a series of backspaces and underlines intermixed with the text to indicate underlining. No attempt is
made to optimize the backward motion.
BSD August 4, 2004 BSD
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