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Top Forums UNIX for Beginners Questions & Answers Rename file in directory using contents within each file Post 303042499 by nezabudka on Friday 27th of December 2019 06:50:31 AM
Old 12-27-2019
Hi and thanks
No, you can see what will happen
Code:
cat>>file.txt<<EOF
1
2
FORMAT new
3
4
EOF
cp file.txt file2.txt
ls
file.txt file2.txt
awk '/FORMAT/ {system("mv -n "FILENAME" "$2)}; {print $0, FILENAME}' *.txt
1 file2.txt
2 file2.txt
3 file2.txt
FORMAT new file2.txt
4 file2.txt #<<<-not changed
5 file2.txt
6 file2.txt
1 file.txt
2 file.txt
3 file.txt
FORMAT new file.txt
4 file.txt
5 file.txt
6 file.txt
ls
file.txt new

just open file descriptors
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WMANAGER(1)						    BSD General Commands Manual 					       WMANAGER(1)

NAME
wmanager -- choose a window manager and launch it SYNOPSIS
wmanager [OPTIONS ...] DESCRIPTION
The wmanager program displays a choice of the window managers listed in the ~/.wmanagerrc file. When one is picked, the related command is written to standard output, intended to be used by shell scripts. If the program is exited without choosing a window manager, ``-1'' is written to standard output. -fg COLOR Set the foreground color. -bg COLOR Set the background color. -bg2 COLOR Set the widget background color -di[splay] host:n.n Set the X display. -dn[d], -nod[nd] Enable/disable drag & drop, probably does nothing. -g[eometry] WxH+X+Y Set the window size and location. -i[conic] Start as iconified. -k[bd], -nok[bd] Enable/disable keyboard support. -na[me] CLASSNAME Set the X window class. -s[cheme] SCHEME Unknown, probably does nothing useful. -ti[tle] WINDOWTITLE Set the window title. -to[oltips], -not[ooltips] Enable/disable tooltips, probably does nothing. EXAMPLE
To start using wmanager, create a ~/.wmanagerrc file - generally with wmanagerrc-update(1) - and add something like the following at the end of your ~/.xsession file: WM="$(wmanager -geometry +570+585)" ... exec $WM See also wmanager-loop(1) for a nicer way to start wmanager. SEE ALSO
wmanager(1), wmanager-loop(1), wmanagerrc-update(1), X(7x) HISTORY
The wmanager program was written by Meik Tessmer in 1999. This manual page was originally written in perldoc format by Tommi Virtanen in 2000, and converted to mdoc format by Peter Pentchev in 2008. AUTHORS
The wmanager program - Meik Tessmer <fuller@daemogorgon.net>. The manual page - Tommi Virtanen <tv@debian.org> and Peter Pentchev <roam@ringlet.net>. BSD
May 22, 2008 BSD
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