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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.


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May 19, 2015 - A Look At The New Commandlinefu
I've put together a short writeup on what kind of newness you can expect from the next iteration of clfu. Check it out here.
March 2, 2015 - New Management
I'm Jon, I'll be maintaining and improving clfu. Thanks to David for building such a great resource!
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Psst. Open beta.

Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:

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Your feedback is appreciated via the form on the beta page. Thanks! -Jon & CLFU Team

Commands by fletch from sorted by
Terminal - Commands by fletch - 3 results
rsync --progress file1 file2
somecommand | open "mailto:?body=$(cat - | stripansi | urlencode)"
2010-02-25 19:44:27
User: fletch
Tags: macosx email
2

This depends on 'stripansi' and 'urlencode' commands, which exist on my system as these aliases:

alias stripansi='perl -ple "s/\033\[(?:\d*(?:;\d+)*)*m//g;"'

alias urlencode='perl -MURI::Escape -ne "\$/=\"\"; print uri_escape \$_"'

The `open` command handles URLs on a Mac. Substitute the equivalent for your system (perhaps gnome-open).

I don't use system `mail`, so I have this aliased as `mail` and use it this way:

git show head | mail
ls | while read ITEM; do echo "$ITEM"; done
2009-03-22 23:33:13
User: fletch
Functions: echo ls read
Tags: bash
10

If you want to operate on a set of items in Bash, and at least one of them contains spaces, the `for` loop isn't going to work the way you might expect. For example, if the current dir has two files, named "file" and "file 2", this would loop 3 times (once each for "file", "file", and "2"):

for ITEM in `ls`; do echo "$ITEM"; done

Instead, use a while loop with `read`:

ls | while read ITEM; do echo "$ITEM"; done