Commands by bucciarati (4)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Fetch the current human population of Earth
Fetches the world population JSON data from the US census and parses it uses jshon

use vi key bindings at the command line

Query Wikipedia via console over DNS
Query Wikipedia by issuing a DNS query for a TXT record. The TXT record will also include a short URL to the complete corresponding Wikipedia entry.You can also write a little shell script like: $ $ cat wikisole.sh $ #!/bin/sh $ dig +short txt ${1}.wp.dg.cx and run it like $ ./wikisole.sh unix were your first option ($1) will be used as search term.

get a fresh commandlinefu-item each day as motd
Commandline-fu often has little tricks that I always forget. By adding this to the root-cron (sudo crontab -e) I lean a new trick every day.

Use Dell Service Tag $1 to Find Machine Model [Model Name and Model Number]
255 Max Characters CommandLineFu for $dellurl='http://support.dell.com/support/topics/global.aspx/support/my_systems_info/en/details?c=us&cs=04&l=en&s=hied&ServiceTag='

MoscowML with editable input-line and history
Works also with SML/NJ and other interpreters or tools with interactive environments.

Quick HTML image gallery from folder contents with Perl
This includes a title attribute so you can see the file name by hovering over an image. Also will hoover up any image format - jpg, gif and png.

Read the output of a command into the buffer in vim
This will append the output of "command" to whatever file you're currently editing in vim. Who else has good vim tricks? :)

Force logout after 24 hours idle
Shell timeout variables (TMOUT) can be very liberal about what is classified as 'activity', like having an editor open. This command string will terminate the login shell for an user with more than a day's idle time.

Delete all but the latest 5 files, ignoring directories


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