Commands by arianna (0)

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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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Print just line 4 from a textfile
this method should be the fastest

"I Feel Lucky" for Google Images
prompts for a search term and then pulls down the first result from google images

Diff files over SSH
Sometimes you need to compare two config files on different servers. Put the file names into the above script and let 'er rip.

Re-emerge all ebuilds with missing files (Gentoo Linux)

Remove comments from files
Use sed to remove comments from a file. In this example the comments begin with #. The command '/^#/d' remove line starting with #. The command 's/#.*$//' remove comments at end of lines.

scroll file one line at a time (w/only UNIX base utilities)
usage examples ls largedir |rd lynx -dump largewebsite.com |rd rd < largelogfile

Better recursive grep with pretty colors... requires ruby and gems (run: "gem install rak")

Monitoring sessions that arrive at your server

list files recursively by size

Make vim open in tabs by default (save to .profile)
I always add this to my .profile rc so I can do things like: "vim *.c" and the files are opened in tabs.


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