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. During the translation some other special characters also get translated. E.g. TAB gets expanded to spaces.
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
Check Out this Related Man Page
ul(1) User Commands ul(1)NAME
ul - do underlining
SYNOPSIS
ul [-i] [-t terminal] [filename]...
DESCRIPTION
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 can-
not underline, underlining is ignored.
OPTIONS -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.
RETURN VALUES
ul returns exit code 1 if the file specified is not found.
FILES
/usr/share/lib/terminfo/*
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWdoc |
+-----------------------------+-----------------------------+
SEE ALSO cat(1), man(1), nroff(1), attributes(5)BUGS
nroff usually generates a series of backspaces and underlines intermixed with the text to indicate underlining. ul makes attempt to opti-
mize the backward motion.
SunOS 5.11 17 Mar 1994 ul(1)
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