Use the last command\’s output as input to a command without piping and bind to it to a key sequence in bash.

2010-09-01 1 min read Fedora Linux Uncategorized

Use the last command’s output as input to a command without piping and bind to it to a key sequence in <a class="zem_slink" title="Bash (Unix shell)" rel="homepage" href="http://tiswww.case.edu/php/chet/bash/bashtop.html">bash. 1 <td> <div class="bash codecolorer">  <span class="kw3">bind</span> <span class="co3">\'</span><span class="st0">"\\C-h"</span>: <span class="st0">"\\<span class="es5">`fc\\ \\-s\\`</span>"</span><span class="co3">\'</span> </div> </td> </tr> My comment : fc is the fix command of the bash builtin. This is similar to using `!!` or In bash 4.1 it seems you can bind directly to a shell command, but I’m Continue reading

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

Magic space on the current command line

2010-06-25 1 min read bash Fedora Linux

# For how to set up magic space for Bash see: # – http://www.ukuug.org/events/linux2003/papers/bash_tips/#slide15 # – http://codesnippets.joyent.com/posts/show/1690 man bash 2>/dev/null | less -p ’magic-space’ man bash 2>/dev/null | less -p ’Event Designators’ man bash 2>/dev/null | less -p ’\!#’ # ”The entire <a class="zem_slink" title="Command-line interface" rel="wikipedia" href="http://en.wikipedia.org/wiki/Command-line_interface">command line typed so far.” <a href="http://snippets.dzone.com/posts/show/10265">Read more :<h6 class="zemanta-related-title" style="font-size: 1em;">Related articles by Zemanta <ul class="zemanta-article-ul"> <li class="zemanta-article-ul-li"><a href="http://www.makeuseof.com/tag/trigger-wake-lan-mac-address/">How To Trigger Wake On LAN Using The MAC Address (makeuseof. Continue reading

cdargs – bash cd command with bookmarks and browser.

2010-06-22 0 min read bash Learning Linux

colors in bash -- script to display all the possible colors.

2010-06-06 3 min read bash Fedora Linux

If you wanted to have colors in the bash output (including the colors in PS1-4), don’t you keep wondering how the color code would look on the terminal. So, I wrote this small script to show the complete color codes. This is how the output would look: And here is the script: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Continue reading

mussh - Multihost SSH wrapper

2010-05-25 1 min read bash Fedora Linux

Description: Mussh is a <a class="zem_slink freebase/en/shell_script" title="Shell script" rel="wikipedia" href="http://en.wikipedia.org/wiki/Shell_script">shell script that allows you to execute a command or script over ssh on multiple hosts with one command. When possible mussh will use <a class="zem_slink freebase/en/ssh-agent" title="Ssh-agent" rel="wikipedia" href="http://en.wikipedia.org/wiki/Ssh-agent">ssh-agent and RSA/DSA keys to minimize the need to enter your password more than once. It is a utility for <a class="zem_slink freebase/en/system_administrator" title="System administrator" rel="wikipedia" href="http://en.wikipedia.org/wiki/System_administrator">system administrators maintaining more than one hosts. Continue reading

coproc help - a new feature in bash

2010-05-10 0 min read bash Fedora Linux

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