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Full Discussion: newbie in unix
Top Forums UNIX for Dummies Questions & Answers newbie in unix Post 302534407 by vicky1989 on Monday 27th of June 2011 11:40:30 PM
Old 06-28-2011
newbie in unix

hiii i have few questions..i hav just started using unix....i got two
doubts or problems as per now, if anyone can clarify it or solve it, his/her help is highly appreciated..
1) how to Rename all files which contain the sub-string 'foo', replacing it with 'bar' within a given folder.

2)How to Rename all the files within a folder with suffix “Unix_” i.e. suppose a folder has two files a.txt and b.pdf than they both should be renamed from a single command to Unix_a.txt and Unix_b.pdf

3)Suppose i have a C project in a folder called “project”, it contains .c and .h files, it also contains some other .txt files and .pdf files. So what is the command that will count the number of lines of my text files. That means total line count of every file. (i need to count the lines in .txt files only)

4)how to Rename all files within a folder with the first word of their content(all the files should be text files. For example if a.txt contains “Unix is an OS” in its first line then a.txt should be renamed to Unix.txt

and last but not the least is

5)how to use cut and sort command with history command


if u guys know answers to any of these questions your help is highly appreciated...

Last edited by pludi; 06-28-2011 at 04:03 AM..
 

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WWWBrowser(3pm) 					User Contributed Perl Documentation					   WWWBrowser(3pm)

NAME
WWWBrowser - platform independent means to start a WWW browser SYNOPSIS
use WWWBrowser; WWWBrowser::start_browser($url, -oldwindow => 1); DESCRIPTION
start_browser($url [, %args]) Start a web browser with the specified URL. The process is started in background. The following optional parameters are recognized: -oldwindow => $bool Normally, the URL is loaded into a new window, if possible. With "-oldwindow" set to a false window, "WWWBrowser" will try to re-use a browser window. -browser => $browser Use (preferebly) the named browser $browser. See "CONFIGURATION" for a some browser specialities. This option will only work for unix. CONFIGURATION
For unix, the global variable @WWWBrowser::unix_browsers can be set to a list of preferred web browsers. The following browsers are handled specially: lynx, w3m Text oriented browsers, which are opened in an "xterm", "kvt" or "gnome-terminal" (if running under X11). If not running under X11, then no background process is started. kfmclient Use "openURL" method of kfm. netscape Use "-remote" option to re-use a running netscape process, if possible. _default_gnome Look into the "~/.gnome/Gnome" configuration file for the right browser. _default_kde NYI. The following variables can be defined globally in the main package: $os Short name of operating system ("win", "mac" or "unix"). &status_messages Error handling function (instead of default "warn"). REQUIREMENTS
For Windows, the Win32Util module should be installed in the path. AUTHOR
Slaven Rezic <slaven@rezic.de> COPYRIGHT
Copyright (c) 1999,2000,2001,2003 Slaven Rezic. All rights reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
Win32Util. perl v5.10.0 2009-03-10 WWWBrowser(3pm)
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