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Top Forums Shell Programming and Scripting Removing md5sum lines stored in text file Post 302910194 by prvnrk on Wednesday 23rd of July 2014 04:21:11 AM
Old 07-23-2014
Code:
$ cat text.file
d41d8cd98f00b204e9800998ecf8427e /helloworld/saystheman
d41d8cd98f00b204e9800998ecf8427e /helloworld/test

$ rm /helloworld/test

$ grep -v "/helloworld/test" text.file >text1.file

$ mv text1.file text.file

$ cat text.file
d41d8cd98f00b204e9800998ecf8427e /helloworld/saystheman

If you want this to done automatically then insert above commands in "your own rm" file [ make sure your PATH goes first to YOUR rm instead of standard UNIX rm ]
This User Gave Thanks to prvnrk For This Post:
 

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XCLIP(1)						      General Commands Manual							  XCLIP(1)

NAME
xclip - command line interface to X selections (clipboard) SYNOPSIS
xclip [OPTION] [FILE]... DESCRIPTION
Reads from standard in, or from one or more files, and makes the data available as an X selection for pasting into X applications. Prints current X selection to standard out. -i, -in read text into X selection from standard input or files (default) -o, -out print the selection to standard out (generally for piping to a file or program) -f, -filter when xclip is invoked in the in mode with output level set to silent (the defaults), the filter option will cause xclip to print the text piped to standard in back to standard out unmodified -l, -loops number of X selection requests (pastes into X applications) to wait for before exiting, with a value of 0 (default) causing xclip to wait for an unlimited number of requests until another application (possibly another invocation of xclip) takes ownership of the selection -t, -target specify a particular data format using the given target atom. With -o the special target atom name "TARGETS" can be used to get a list of valid target atoms for this selection. For more information about target atoms refer to ICCCM section 2.6.2 -d, -display X display to use (e.g. "localhost:0"), xclip defaults to the value in $DISPLAY if this option is omitted -h, -help show quick summary of options -selection specify which X selection to use, options are "primary" to use XA_PRIMARY (default), "secondary" for XA_SECONDARY or "clipboard" for XA_CLIPBOARD -version show version information -silent fork into the background to wait for requests, no informational output, errors only (default) -quiet show informational messages on the terminal and run in the foreground -verbose provide a running commentary of what xclip is doing -noutf8 operate in legacy (i.e. non UTF-8) mode for backwards compatibility (Use this option only when really necessary, as the old behavior was broken) xclip reads text from standard in or files and makes it available to other X applications for pasting as an X selection (traditionally with the middle mouse button). It reads from all files specified, or from standard in if no files are specified. xclip can also print the con- tents of a selection to standard out with the -o option. xclip was designed to allow tighter integration of X applications and command line programs. The default action is to silently wait in the background for X selection requests (pastes) until another X application places data in the clipboard, at which point xclip exits silently. You can use the -verbose option to see if and when xclip actually receives selection requests from other X applications. Options can be abbreviated as long as they remain unambiguous. For example, it is possible to use -d or -disp instead of -display. However, -v couldn't be used because it is ambiguous (it could be short for -verbose or -version), so it would be interpreted as a filename. Note that only the first character of the selection specified with the -selection option is important. This means that "p", "sec" and "clip" would have the same effect as using "primary", "secondary" or "clipboard" respectively. EXAMPLES
I hate man pages without examples! uptime | xclip Put your uptime in the X selection. Then middle click in an X application to paste. xclip -loops 10 -verbose /etc/motd Exit after /etc/motd (message of the day) has been pasted 10 times. Show how many selection requests (pastes) have been processed. xclip -o > helloworld.c Put the contents of the selection into a file. xclip -t text/html index.html Middle click in an X application supporting HTML to paste the contents of the given file as HTML. ENVIRONMENT
DISPLAY X display to use if none is specified with the -display option. REPORTING BUGS
Please report any bugs, problems, queries, experiences, etc. directly to the author. AUTHORS
Kim Saunders <kims@debian.org> Peter Astrand <astrand@lysator.liu.se> XCLIP(1)
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