10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Hi All,
I have a very huge file (4GB) which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '!x++' are not working as its running out of buffer space.
I dont know if this works : I want to read each line of the File in a For Loop, and want to... (16 Replies)
Discussion started by: krishnix
16 Replies
2. Shell Programming and Scripting
File
6 dbnawldb010-b office Memphis_Corp_SQL_Diff Memphis-Corp-SQL-Inc-Application-Backup 03/09/11 03:24:04
42 luigi-b IPNRemitDB Memphis_Corp_SQL_Diff Memphis-Corp-SQL-Inc-Application-Backup 03/10/11 00:41:36
6 ebs-sqldev1-b IPNTracking Memphis_Corp_SQL_Diff... (4 Replies)
Discussion started by: ajiwww
4 Replies
3. Shell Programming and Scripting
it will grep for a line and then delete these line. how do i begin to write this script if theres no available one? (3 Replies)
Discussion started by: garfish
3 Replies
4. Shell Programming and Scripting
Hi Experts,
I have a file format as mentioned below. I would like to have unix script (HP Unix) which can:
1. Remove first 6 and last 3 lines.
2. Delete the lines where 3rd column having Alpha Numeric Number
3. Delete the lines where 4th column having 0.00
4. Calculate the sum of all the... (16 Replies)
Discussion started by: phani333
16 Replies
5. Shell Programming and Scripting
Hi Experts,
I have a file in the below given format. First two lines are header and Trailer. Rest all are transaction Lines. I have to delete all other lines except first line (Header) and lines which contains 5000 in 1st column and 0 in 5th column.
Can anyone please kindly provide me with... (6 Replies)
Discussion started by: phani333
6 Replies
6. UNIX for Dummies Questions & Answers
Hiiii
I have a file which contains huge data as
a.dat:
PDE 1990 1 9 18 51 28.90 24.7500 95.2800 118.0 6.1 0.0 BURMA
event name: 010990D
time shift: 7.3000
half duration: 5.0000
latitude: 24.4200
longitude: 94.9500
depth: 129.6000
Mrr: ... (7 Replies)
Discussion started by: reva
7 Replies
7. Shell Programming and Scripting
Hi All,
I have a file with 3 columns (Bank Name, Account Number and Amount). My requirement, I need to delete lines using Unix Shell script:
1. Which are having Alphanumeric characters in Account Number (eg. Line3).
2. Which are having 0.00 in amount. (eg. Line4)
3. And also I need to... (4 Replies)
Discussion started by: phani333
4 Replies
8. Shell Programming and Scripting
Input:
a
b
b
c
d
d
I need:
a
c
I know how to get this (the lines that have duplicates) :
b
d
sort file | uniq -d
But i need opossite of this. I have searched the forum and other places as well, but have found solution for everything except this variant of the problem. (3 Replies)
Discussion started by: necroman08
3 Replies
9. Shell Programming and Scripting
Hi,
I am a newbie to shell scripting, and I have a file which quite large which I would like to delete lines at certain places. I want to search for a keyword which is recurring in the file. When matched I would like to delete the line. And when the file was so huge I thought I ought to learn... (3 Replies)
Discussion started by: mr_andrew
3 Replies
10. Shell Programming and Scripting
I am trying to delete all the lines out a file from a unix script. Please help
Platform is Sun (3 Replies)
Discussion started by: alnita
3 Replies