commandlinefu.com is the place to record those command-line gems that you return to again and again.
Delete that bloated snippets file you've been using and share your personal repository with the world. 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.
If you have a new feature suggestion or find a bug, please get in touch via http://commandlinefu.uservoice.com/
You can sign-in using OpenID credentials, or register a traditional username and password.
First-time OpenID users will be automatically assigned a username which can be changed after signing in.
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.
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:
Shows list of users and their details in LDAP
Oneliner to get domain names list of all existing domain names (from wikipedia)
command [options] [paste your variable here] parameter
command [options] [paste entire column of variables here] parameter
(hard-code command "c" and parameter "e" according to your wishes: in example shown command = "cp -a" and parameter = "~")
- Quick exchange only variable part of a long command line
- Make variable part to be an entire column of data (i.e. file list)
- Full control while processing every single item
Paste column of data from anywhere. I.e. utilize the Block Select Mode to drag, select and copy columns (In KDE Konsole with Ctrl+Alt pressed, or only Ctrl pressed in GNOME Terminal respectively).
You can paste only one single variable in a row. If there are more space separated variables in a row only first one will be processed, but you can arrange your variables in a column instead. To transpose rows to columns or vice versa look at Linux manual pages for 'cut' and 'paste'.
- add edit mode to vary command "c" and parameter "e" on the fly
- add one edit mode more to handle every list item different
- add y/n/a (=All) instead of only y(=default)/n to allowed answers
The code is not optimized, only the basic idea is presented here. It's up to you to shorten code or extend the functionality.
Tells you everything you could ever want to know about all files and subdirectories. Great for package creators. Totally secure too.
On my Slackware box, this gets set upon login:
LS_OPTIONS='-F -b -T 0 --color=auto'
alias ls='/bin/ls $LS_OPTIONS'
which works great.
urls.txt should have a fully qualified url on each line
to clear the log
change curl command to
curl --head $file | head -1 >> log.txt
to just get the http status
You send a unicast ICMP packet to each host. Many firewalls will drop that ICMP. However, in order to send the ICMP, you'll have first done an ARP request and the remote machine is unlikely to ignore that, so the computer will be in your ARP table.
This will list your phone's filesystem with bitpim. (works on many LG, Samsung, and Sanyo)
See http://www.bitpim.org/help/phones-featuressupported.htm for full list.
This script will list all the files in the tarballs present on any folder or subfolder of the provided path. The while loop is for echoing the file name of the tarball before listing the files, so the tarball can be identified
List all text files in the current directory.
Lists ONLY the files changed by the given HASH/HEAD/list of hashes, etc. The message, commit ID, author, etc. is not included
If you want certain files out of a directory hierarchy, this will copy just the listed files, but will create the directory hierarchy in the new location ($DIR/)
This command list and sort files by size and in reverse order, the reverse order is very helpful when you have a very long list and wish to have the biggest files at the bottom so you don't have scrool up.
The file size info is in human readable output, so ex. 1K..234M...3G
Tested with Linux (Red Hat Enterprise Edition)