Commands by unixmonkey842

Commands by unixmonkey842 (2)

sorted by

Print trending topics on Twitter
This is sample output - yours may be different.
2

wget http://search.twitter.com/trends.json -O - --quiet | ruby -rubygems -e 'require "json";require "yaml"; puts YAML.dump(JSON.parse($stdin.gets))'

unixmonkey842 · 2009-02-15 21:24:06 11
Graphical tree of sub-directories

Prints a graphical directory tree from your current directory Show Sample Output
This is sample output - yours may be different.
```
|-Comics
   |---Anomaly
   |---Cyanide & Happiness
   |---Dilbert
   |---Misc
   |---Pearls Before Swine
   |---Russell's Teapot
   |---xkcd
   |-Docks
   |---Niqu Dock 1.2
   |-----2D Style
   |-----3D Style
   |-----Defaults
   |---Rounded Reflection
   |-Ebooks
   |---The Guitarist's Guide to Composing and Improvising
```
62

ls -R | grep ":$" | sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/ /' -e 's/-/|/'

unixmonkey842 · 2009-02-15 20:43:21 25

What's this?

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.

Share Your Commands

Check These Out

Backup trought SSH

Print Asterisk phone logs

Prints a log of phonecalls placed from/to an asterisk server, formated into an easily readable table. You can use partial number/queue matches, or use .* to match everything.

m4a to mp3 conversion with ffmpeg and lame

A batch file version of the same command would be: for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -ab 256k "${f%.m4a}.mp3"; done

Backup with versioning

Convert seconds to [DD:][HH:]MM:SS

Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Time Synchronisation with NTP

find broken symbolic links

== remove broken links == find -L . -type l -exec rm -rf {} \; == how this work == "symbolic link; this is never true if the -L option or the -follow option is in effect, unless the symbolic link is broken. If you want to search for symbolic links when -L is in effect, use -xtype." -- manpage of find.

rsync should continue even if connection lost

Manage partial uploads using append option.

Paste command output to www.pastehtml.com in txt format.

paste(){ curl -s -S --data-urlencode "txt=$($@)" "http://pastehtml.com/upload/create?input_type=txt&result=address";echo;}

Rename files in batch

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for:

» all commands
» commands with 3 up-votes (commandlinefu3)
» commands with 10 up-votes (commandlinefu10)
» commands by unixmonkey842