Remove some path from the PATH variable temporarily.

2010-09-04 2 min read Bash Linux

How many times has it happened to you that you are working on some linux platform (like Fedora/Ubuntu/CentOS etc) and suddenly you see that you need to remove some path from the PATH variable so that a script is executed from some other path. It really difficult to do this if the path is too long and if you end up doing this couple of times. If that is the case, then the below script is for you 🙂

tee to a file descriptor

2010-08-13 1 min read Bash Linux

tee to a file descriptor

1

$ tee >(cat &#8211; >&2)

the tee command does fine with file names, but not so much with file descriptors, such as &2. This uses process redirection to tee to the specified descriptor.

In the sample output, it’s being used to tee to stderr, which is connected with the terminal, and to wc -l, which is also outputting to the terminal. The result is the output of bash –version followed by the linecount

Best Mobile Internet Browser (Opera Mini vs. SkyFire)

2010-08-07 3 min read Bash Linux

Showdown: Best Mobile <a class="zem_slink" title="Internet" rel="wikipedia" href="http://en.wikipedia.org/wiki/Internet">Internet Browser (<a class="zem_slink" title="Opera Software" rel="homepage" href="http://www.opera.com">Opera Mini vs. <a class="zem_slink" title="Skyfire" rel="homepage" href="http://www.skyfire.com">SkyFire) mobile internet browsersDo you browse the web on your mobile device? As <a class="zem_slink" title="Mobile phone" rel="wikipedia" href="http://en.wikipedia.org/wiki/Mobile_phone">cell phones get faster connection speeds, processors, bigger screens and better applications, it’s getting easier and easier to go online with them. Add in the fact that most websites have a mobile version now and it makes this an even simpler process.

when you press f9 'paste' is on , press f9 again and 'paste' is off, and so forth (works in insert-mode and command-mode)

2010-08-02 1 min read Bash Linux

<a class="zem_slink" title="Vim (text editor)" rel="homepage" href="http://www.vim.org/">vim’s pastetoggle: when you press f9 ’paste’ is on , press f9 again and ’paste’ is off, and so forth (works in <a class="zem_slink" title="Insert key" rel="wikipedia" href="http://en.wikipedia.org/wiki/Insert_key">insert-mode and command-mode) $ nmap :set paste!:set paste? Sets as paste toggle, with visual confirmation of state

* View this command to comment, vote or add to favourites * View all commands by Vilemirth

commandlinefu.com

by David Winterbottom (codeinthehole.com)

Auto Key press fill forms through simulating key presses | Linux.com

2010-07-31 2 min read Bash Linux

This script can be used to repeatedly press <a class="zem_slink" title="Electronic keyboard" rel="wikipedia" href="http://en.wikipedia.org/wiki/Electronic_keyboard">keys on the <a class="zem_slink" title="Keyboard (computing)" rel="wikipedia" href="http://en.wikipedia.org/wiki/Keyboard_%28computing%29">keyboard, it was used to fill out 100 odd entries on a <a class="zem_slink" title="Web page" rel="wikipedia" href="http://en.wikipedia.org/wiki/Web_page">web page while testing without having to physically enter the data.

Save the code below some where like <a class="zem_slink" title="Filesystem Hierarchy Standard" rel="wikipedia" href="http://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard">/usr/bin/ with what ever file name you like, set the file to be <a class="zem_slink" title="Executable" rel="wikipedia" href="http://en.wikipedia.org/wiki/Executable">executable with <a class="zem_slink" title="Chmod" rel="wikipedia" href="http://en.wikipedia.org/wiki/Chmod">chmod +x /usr/bin/keyrepeat

List of commands you use most often

2010-07-25 1 min read Bash Linux

$ history | <a class="zem_slink" title="AWK" rel="homepage" href="http://cm.bell-labs.com/cm/cs/awkbook/index.html">awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head > /tmp/cmds | <a class="zem_slink" title="Gnuplot" rel="homepage" href="http://www.gnuplot.info/">gnuplot -persist <(echo 'plot "/tmp/cmds" using 1:xticlabels(2) with boxes') Plot your most used commands with gnuplot.

<a href="http://www.commandlinefu.com/commands/view/5845/list-of-commands-you-use-most-often">View this command to comment, vote or add to favourites
<a href="http://feeds2.feedburner.com/commands/by/sthrs">View all commands by <a href="http://feeds2.feedburner.com/commands/by/sthrs">sthrs

by David Winterbottom (<a href="http://codeinthehole.com">codeinthehole.com)

Bash Examples – Mistakes to Avoid

2010-07-23 1 min read Bash Linux

A bash script is a text file containing a list of commands to be executed by the bash shell. A long time back, I had written a guide on Bash scripting which teaches you the basic syntax of bash scripts in a mere 10 seconds.

<a href="http://linuxhelp.blogspot.com/2009/10/bash-examples-mistakes-to-avoid.html" target="_blank">Rest here.

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