Deleting double items in file


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Deleting double items in file
# 1  
Old 10-13-2009
Deleting double items in file

Hi,
i need a script, which deletes doulbe items in a file.

My file looks like:
Code:
-
-
-
xxx
xxx
G123
G234
G234
G234
o
o
...

First i want to sort the file an then i want to delete double items.

Can anyone help me. I work under solaris10.

many thanks,
free2k
# 2  
Old 10-13-2009
uniq -d filename
# 3  
Old 10-13-2009
thanks a lot
# 4  
Old 10-13-2009
Try:

Code:
awk '{ arr[$0]; } END { for ( i in arr ) print i; }'  filename | sort

or

Code:
sort -u filename

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Script to process a list of items and uncomment lines with that item in a second file

Hello, I have a src code file where I need to uncomment many lines. The lines I need to uncomment look like, C CALL l_r(DESNAME,DESOUT, 'Gmax', ESH(10), NO_APP, JJ) The comment is the "C" in the first column. This needs to be deleted so that there are 6 spaces preceding "CALL".... (7 Replies)
Discussion started by: LMHmedchem
7 Replies

2. Shell Programming and Scripting

Pass an array to awk to sequentially look for a list of items in a file

Hello, I need to collect some statistical results from a series of files that are being generated by other software. The files are tab delimited. There are 4 different sets of statistics in each file where there is a line indicating what the statistic set is, followed by 5 lines of values. It... (8 Replies)
Discussion started by: LMHmedchem
8 Replies

3. Shell Programming and Scripting

sed to delete items in an array from a file

I need to create a shell script to delete multiple items (Strings) at a time from a file. I need to iterate through a list of strings. My plan is to create an array and then iterate through the array. My code is not working #!/bin/bash -x declare -a array=(one, two, three, four)... (5 Replies)
Discussion started by: bash_in_my_head
5 Replies

4. Shell Programming and Scripting

Need help with a script to grep items in one file from another file

I have one master file "File1" with all such info in it. I need to grep each object under each list from another file "File2". Can anyone help me with a script for this. File 1 ------ List 1 Object 1 Object 2 List 2 Object 3 Object 1 List 3 Object 2 ... (5 Replies)
Discussion started by: Sam R
5 Replies

5. Linux

Determining Values for NIce and Priority items in limits.conf file

I've been looking online trying to find the correct value nice and priority can take in the limits.conf file. ON the man page it says; Does this mean priority can be any negative number and any positive? Then Does this mean any number between -20 and 19 also what does the definition of nice... (13 Replies)
Discussion started by: matthewfs
13 Replies

6. Shell Programming and Scripting

finding missing items in file

I have a need to compare 2 files, then print results to file. Need to find items from file2 that are not found in file 1. thanks in advance! example: file 1: abcde=12 fffff=6 bbbb=35 file2: abcde=12 fffff=6 bbbb=35 ccccc=10 kkkkk=45 (8 Replies)
Discussion started by: discostu
8 Replies

7. Shell Programming and Scripting

deleting double entries in a log file

Hi Folks, I have a apache log file that has double entries (however not all lines appear twice). How can I delete automatically the first line of a double entry? Your help is greatly appreciated. Thanks, Klaus Here is what the log file looks like 217.81.190.164 - - "GET... (7 Replies)
Discussion started by: opusforum
7 Replies

8. Shell Programming and Scripting

awk between items including items

OS=HP-UX ksh The following works, except I want to include the <start> and <end> in the output. awk -F '<start>' 'BEGIN{RS="<end>"; OFS="\n"; ORS=""} {print $2} somefile.log' The following work in bash but not in ksh sed -n '/^<start>/,/^<end>/{/LABEL$/!p}' somefile.log (4 Replies)
Discussion started by: Ikon
4 Replies

9. Shell Programming and Scripting

removing items from a file with batch

Please assist with awk scirpts: I need to remove items from a file in a batch: The file that I will remove from has the following format: abc00tef:10.81.12.3 abc01tef:10.81.12.3 abc02tef:10.81.12.3 abc03tef:10.81.12.3 abc04tef:10.81.12.3 abc05tef:10.81.12.3 I have a file which... (5 Replies)
Discussion started by: amir07
5 Replies

10. Shell Programming and Scripting

Deleting double entry in a file

Hi, I am having almost the same problem as junior member 'oupsforum' (refer to subjuct "deleting double entry in a log file"), only that I am using Sun Sorlaris Unix which the uniq command does not has the flag -w. So I am not able to ignore certain portion of the line when the uniq doing the... (3 Replies)
Discussion started by: Wing m. Cheng
3 Replies
Login or Register to Ask a Question