All commands (14,187)
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E.g. Useful for hiding spoilers in reviews, etc. Show Sample Output
3alias rot13='perl -pe "y/A-Za-z/N-ZA-Mn-za-m/;"' -
-2guid(){ lynx -nonumbers -dump http://www.famkruithof.net/uuid/uuidgen | grep "\w\{8\}-" | tr -d ' '; }
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joins multiple lines to create single line with comma separated values. for example if we have an email addresses one per line (copy&paste from spreadsheet) it will oputput one line with comman separated addresses to put it to email client. Show Sample Output
-1perl -le 'print join ", ", map { chomp; $_ } <>' -
From a saved page of google search results, split out all of the links for the results. Useful for creating apache rewrite rules from.
-1gsed -e :a -e 's/\(<\/[^>]*>\)/\1\n/g;s/\(<br>\)/\1\n/g' page2.txt | sed -n '/<cite>/p;s/<cite>\(.*\)<\/cite>/\1/g' >> output -
Encodes HTML entities from input (file or stdin) so it's possible to directly past the result to a blog or HTML source file.
1perl -MHTML::Entities -ne 'print encode_entities($_)' /tmp/subor.txt -
0find ~ -name '*.mp4' | xargs mplayer
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transfer files from localhost to a remotehost.
7rsync -av --progress ./file.txt user@host:/path/to/dir -
If the file content is : - Blah blah blah ABC hello blah blah blah bloh bloh bloh DEF Bah bah bah - You'll get: - ABC hello blah blah blah bloh bloh bloh DEF
2sed "s/^ABC/+ABC/" <file | sed "s/DEF$/DEF+/" | tr "\n" "~" | tr "+" "\n" | grep "^ABC" | tr "~" "\n" -
-2find . -exec grep "test" '{}' /dev/null \; -print
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Example: fuman sed Show Sample Output
5fuman(){ lynx -width=$COLUMNS -nonumbers -dump "http://www.commandlinefu.com/commands/using/$1" |sed '/Add to favourites/,/This is sample output/!d' |sed 's/ *Add to favourites/----/' |less -r; } -
this is handy when the hubmachine is the only machine that can connect to the destination machine (allowed on ip by firewall) and you want to access it from your laptop.
4ssh -N -L2001:localhost:80 -o "ProxyCommand ssh someuser@hubmachine nc -w 5 %h %p" someuser@destinationmachine -
4awk '!_[$0]++{print}'
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-1cd -
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0touch /forcefsk
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Pipe viewer is a terminal-based tool for monitoring the progress of data through a pipeline. It can be inserted into any normal pipeline between two processes to give a visual indication of how quickly data is passing through, how long it has taken, how near to completion it is, and an estimate of how long it will be until completion. Source: http://www.catonmat.net/blog/unix-utilities-pipe-viewer/ Show Sample Output
51pv access.log | gzip > access.log.gz -
This command is useful for separating a text file where all the words are in one line. Any group of spaces will be replaced with a single newline. Instead of one long line of tokens. You'll have a long list of tokens. One token per line.
-4cat file.txt|perl -ne '$_=~s/\s+/\n/g; print $_;' -
A simple way using a for loop
-2for i in $(ls /the/path); do du -hs /the/path/$i; done -
-1ps awwux|awk '{print $1}'|sort|uniq
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Simple way to get a timestamp from a date Show Sample Output
2date --utc --date "2009-02-06 09:57:54" +%s -
If you have a file full of numbers written line by line, you can sum every line to get the total. With a file like this: 3443535 9878977 67554 987798 232324 you will got: 14610188
7(sed 's/^/x+=/' [yourfile] ; echo x) | bc -
This script first find all files which contains word xxxxx recursively. Then replace the word xxxxx to yyyyy of the files. Use case: - Web site domain change - Function name change of the program
-1grep -r -l xxxxx . | xargs perl -i -pe "s/xxxxx/yyyyy/g" -
You can specify various output formats, theme styles, etc.
python -m pygments -o source.png source.pypython -m pygments -o source.rtf source.pyCheck available output formats, styles, etc.:python -m pygments -LFind pygments module here: http://pygments.org/1$ python -m pygments -o source.html source.py -
-3trap '' 1 2 20 24(signal number)
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-1find . -name "*~" -exec rm {} \;
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Useful when you want to quickly rename a bunch of files. Show Sample Output
10rename 's/foo/bar/g' * - ‹ First < 557 558 559 560 561 > Last ›
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