Commands using uniq sorted by votes

Commands using uniq (255)

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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
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converting horizontal line to vertical line

Outputs each arg on its own line

This can be useful for transforming command-line args into input for xargs (one per line). This can also be done with ls if the args are filenames, but that's getting awfully close to Useless Use of Cat territory (http://partmaps.org/era/unix/award.html).

Edit a PDF's metadata using exiftool

Edit the pdf file foo.pdf's metadata. -overwrite_original overwrites the original file (w/o it exiftool creates a new file)

back ssh from firewalled hosts

host B (you) redirects a modem port (62220) to his local ssh. host A is a remote machine (the ones that issues the ssh cmd). once connected port 5497 is in listening mode on host B. host B just do a ssh 127.0.0.1 -p 5497 -l user and reaches the remote host'ssh. This can be used also for vnc and so on.

List all files modified by a command

Often you run a command, but afterwards you're not quite sure what it did. By adding this prefix/suffix around [COMMAND], you can list any files that were modified. . Take a nanosecond timestamp: YYYY-MM-DD HH:MM:SS.NNNNNNNNN $ date "+%F %T.%N" . Find any files that have been modified since that timestamp: $ find . -newermt "$D" . This command currently only searches below the current directory. If you want to look elsewhere change the find parameter, e.g. $ find /var/log . -newermt "$D"

Prepare B&W scans for clean looking, searchable PDF

Scan pages in, clean them up in an image editor, save to individual files. Use this command to convert each page to PDF. Combine in Acrobat Professional, and use the built-in OCR with the "Searchable Image (Exact)" option. Gives excellent image quality and file size (avoids awful JPEG image recompression that Acrobat and other OCR systems tend to do.)

Convert files from DOS line endings to UNIX line endings

This method will also convert mac line endings.

Create patch file for two directories

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)

Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Take screenshots with imagemagick

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