Commands using uniq sorted by votes

Commands using uniq (255)

sorted by

Eliminate duplicate lines on a file
This is sample output - yours may be different.
-3

cat file1.txt | uniq > file2.txt

olafrv · 2009-03-01 05:10:10 11
remove exact phrase from multiple files

Linux : these script enable you to edit multiple files and remove exact phrase from multiple files
This is sample output - yours may be different.
-3

grep -r "mystring" . |uniq | cut -d: -f1 | xargs sed -i "s/mystring//"

mohamednasr2000 · 2009-04-09 12:49:01 9
shell function to find duplicate lines in a series of files or in stdin
This is sample output - yours may be different.
-3

dups() { sort "$@" | uniq -d; }

bartonski · 2011-10-04 16:46:00 6
count occurences of each word in novel David Copperfield

This command might not be useful for most of us, I just wanted to share it to show power of command line. Download simple text version of novel David Copperfield from Poject Gutenberg and then generate a single column of words after which occurences of each word is counted by sort | uniq -c combination. This command removes numbers and single characters from count. I'm sure you can write a shorter version. Show Sample Output
This is sample output - yours may be different.
```
aback	1
abandon	6
abandoned	13
abase	1
abased	1
abashed	7
abated	1
abatement	1
...
```
-4

wget -q -O- http://www.gutenberg.org/dirs/etext96/cprfd10.txt | sed '1,419d' | tr "\n" " " | tr " " "\n" | perl -lpe 's/\W//g;$_=lc($_)' | grep "^[a-z]" | awk 'length > 1' | sort | uniq -c | awk '{print $2"\t"$1}'

alperyilmaz · 2009-05-04 16:00:39 11
netstat with group by (ip adress)

netstat has two lines of headers: Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State Added a filter in the awk command to remove them
This is sample output - yours may be different.
-4

netstat -ntu | awk ' $5 ~ /^[0-9]/ {print $5}' | cut -d: -f1 | sort | uniq -c | sort -n

letterj · 2011-07-04 20:23:21 8
‹ First < 9 10 11

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

easily strace all your apache processes

This one-liner will use strace to attach to all of the currently running apache processes output and piped from the initial "ps auxw" command into some awk.

Rename files in batch

connects to a serial console

cu (call UNIX) establishes a full-duplex connection to another machine (*BSD) using a serial console. It becames more useful than screen if you have to send a BREAK signal. using cu just type "~#". $man cu http://www.openbsd.org/cgi-bin/man.cgi?query=cu&apropos=0&sektion=0&manpath=OpenBSD+Current&arch=i386&format=html

Convert numbers to SI notation

converts any number on the 'stdin' to SI notation. My version limits to 3 digits of precious (working with 10% resistors).

Find the package that installed a command

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Picture Renamer

jhead is a very nice tool to do all sorts of things with photographs, in a batch-oriented way. It has a specific function to rename files based on dates, and the format I used above was just an example.

Convert CSV to JSON

Replace 'csv_file.csv' with your filename.

aptitude easter eggs

this is a reference to Antoine de St. Exupery's "The Little Prince"

Create a new file

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 using uniq

Commands using uniq (255) the last day the last week the last month all time sorted by date votes

What's this?

Check These Out

Stay in the loop…

Commands using uniq (255)

sorted by