tee to a file descriptor

2010-08-13 1 min read Bash Linux

tee to a file descriptor

1
$ tee >(cat – >&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

Continue reading

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.

Continue reading

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&#8217;s pastetoggle: when you press f9 &#8217;paste&#8217; is on , press f9 again and &#8217;paste&#8217; 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)

Continue reading

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

Continue reading

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

<a href="http://www.commandlinefu.com">

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

<a href="http://feedads.g.doubleclick.net/~a/qns5iNy–6jXLRCLFY_jGnkB68s/0/da">
<a href="http://feedads.g.doubleclick.net/~a/qns5iNy–6jXLRCLFY_jGnkB68s/1/da">

Continue reading

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.

Paste clipboard is bash or shell scripts with modification.

2010-07-20 1 min read Bash Linux

Today I had a issue where I wanted to paste the clipboard to a shell script after removing the spaces. So, I went hunting for a way to do this. Finally I came up with this:

sudo yum install xclip

Then you can paste the clipboard content using &#8221;xclip -o&#8221;. So now the problem is reduced to selecting the required info and doing :

xclip -o |sed &#8217;s/ //g&#8217;

or

Continue reading
Older posts Newer posts