Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

How do I remove the duplicate lines in this file?

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting How do I remove the duplicate lines in this file?
# 1  
Old 10-25-2011
How do I remove the duplicate lines in this file?
Hey guys, need some help to fix this script. I am trying to remove all the duplicate lines in this file.
Quote:
J'aime lire ce livre
Cet ouvrage me donne de la joie a le lire
Le ciel est tres bleu ce matin
J'aime lire ce livre
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
Cet ouvrage me donne de la joie a le lire
Le ciel est tres bleu ce matin
J'aime lire ce livre
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
Cet ouvrage me donne de la joie a le lire
Le ciel est tres bleu ce matin
J'aime lire ce livre
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
Cet ouvrage me donne de la joie a le lire
Le ciel est tres bleu ce matin
J'aime lire ce livre
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
Le ciel est tres bleu ce matin
Cet ordinateur est trop lent pour moi
J'aime lire ce livre
J'aime ce site
J'aime ce site
I wrote the following script, but does not work. What is the problem?
Quote:
#!/usr/bin/ksh
cat file | while read line
do
sort file > file1
done
while read line
do
if $line!=$line++
then
echo $line
else
rm $line
fi
done<file1
mv file1 file.xls
The output file should only contain five lines:

Quote:
J'aime lire ce livre
Cet ouvrage me donne de la joie a le lire
Le ciel est tres bleu ce matin
J'aime ce site
Cet ordinateur est trop lent pour moi.
Later!
# 2  
Old 10-25-2011
You are close.

Try using
Code:
sort -u

# 3  
Old 10-25-2011
It works great! Many thanks!
# 4  
Old 10-25-2011
Quote:
Originally Posted by Ernst
The output file should only contain five lines:
In awk: remove duplicate, nonconsecutive lines

Code:
awk '!($0 in a) {a[$0];print}' inputfile.txt

# 5  
Old 10-25-2011
Code:
awk '!a[$0]++' infile

# 6  
Old 10-25-2011
Code:
perl -ne '$s{$_}++||print' infile

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Remove duplicate lines, sort it and save it as file itself

Hi, all I have a csv file that I would like to remove duplicate lines based on 1st field and sort them by the 1st field. If there are more than 1 line which is same on the 1st field, I want to keep the first line of them and remove the rest. I think I have to use uniq or something, but I still... (8 Replies)
Discussion started by: refrain
8 Replies

2. Shell Programming and Scripting

Remove duplicate lines from file based on fields

Dear community, I have to remove duplicate lines from a file contains a very big ammount of rows (milions?) based on 1st and 3rd columns The data are like this: Region 23/11/2014 09:11:36 41752 Medio 23/11/2014 03:11:38 4132 Info 23/11/2014 05:11:09 4323... (2 Replies)
Discussion started by: Lord Spectre
2 Replies

3. Shell Programming and Scripting

Remove duplicate lines from a file

Hi, I have a csv file which contains some millions of lines in it. The first line(Header) repeats at every 50000th line. I want to remove all the duplicate headers from the second occurance(should not remove the first line). I don't want to use any pattern from the Header as I have some... (7 Replies)
Discussion started by: sudhakar T
7 Replies

4. Shell Programming and Scripting

Remove duplicate lines from a 50 MB file size

hi, Please help me to write a command to delete duplicate lines from a file. And the size of file is 50 MB. How to remove duplicate lins from such a big file. (6 Replies)
Discussion started by: vsachan
6 Replies

5. Shell Programming and Scripting

Remove duplicate lines from first file comparing second file

Hi, I have two files with below data:: file1:- 123|aaa|ppp 445|fff|yyy 999|ttt|jjj 555|hhh|hhh file2:- 445|fff|yyy 555|hhh|hhh The records present in file1, not present in file 2 should be writtent to the out put file. output:- 123|aaa|ppp 999|ttt|jjj Is there any one line... (3 Replies)
Discussion started by: gani_85
3 Replies

6. Shell Programming and Scripting

remove duplicate lines from file linux/sh

greetings, i'm hoping there is a way to cat a file, remove duplicate lines and send that output to a new file. the file will always vary but be something similar to this: please keep in mind that the above could be eight occurrences of each hostname or it might simply have another four of an... (2 Replies)
Discussion started by: crimso
2 Replies

7. UNIX for Dummies Questions & Answers

How to delete or remove duplicate lines in a file

Hi please help me how to remove duplicate lines in any file. I have a file having huge number of lines. i want to remove selected lines in it. And also if there exists duplicate lines, I want to delete the rest & just keep one of them. Please help me with any unix commands or even fortran... (7 Replies)
Discussion started by: reva
7 Replies

8. Shell Programming and Scripting

Command/Script to remove duplicate lines from the file?

Hello, Can anyone tell Command/Script to remove duplicate lines from the file? (2 Replies)
Discussion started by: Rahulpict
2 Replies

9. UNIX for Dummies Questions & Answers

Remove Duplicate lines from File

I have a log file "logreport" that contains several lines as seen below: 04:20:00 /usr/lib/snmp/snmpdx: Agent snmpd appeared dead but responded to ping 06:38:08 /usr/lib/snmp/snmpdx: Agent snmpd appeared dead but responded to ping 07:11:05 /usr/lib/snmp/snmpdx: Agent snmpd appeared dead but... (18 Replies)
Discussion started by: Nysif Steve
18 Replies

10. Shell Programming and Scripting

Remove Duplicate Lines in File

I am doing KSH script to remove duplicate lines in a file. Let say the file has format below. FileA 1253-6856 3101-4011 1827-1356 1822-1157 1822-1157 1000-1410 1000-1410 1822-1231 1822-1231 3101-4011 1822-1157 1822-1231 and I want to simply it with no duplicate line as file... (5 Replies)
Discussion started by: Teh Tiack Ein
5 Replies
Login or Register to Ask a Question