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UNIX for Beginners Questions & Answers
UNIX rename with Regex to remove middle string from file names
Post 303044300 by genehunter on Tuesday 18th of February 2020 10:05:49 AM
02-18-2020
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LEARN ABOUT CENTOS
ul
UL(1) User Commands UL(1) NAME
ul - do underlining SYNOPSIS
ul [options] [file ...] 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 appro- priate 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. OPTIONS
-i, --indicated 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, -T, --terminal terminal Overrides the terminal type specified in the environment with TERM. -V, --version Display version information and exit. -h, --help Display a help text and exit. 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
colcrt(1), login(1), man(1), nroff(1), setenv(1), terminfo(5) BUGS
Nroff usually outputs a series of backspaces and underlines intermixed with the text to indicate underlining. No attempt is made to opti- mize the backward motion. HISTORY
The ul command appeared in 3.0BSD. AVAILABILITY
The ul command is part of the util-linux package and is available from Linux Kernel Archive <ftp://ftp.kernel.org/pub/linux/utils/util- linux/>. util-linux September 2011 UL(1)