10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
I have file of more than 10000 lines.
I want to delete 40 lines after every 20 lines.
e.g from a huge file, i want to delete line no from 34 - 74, then 94 - 134 etc and so on.
Please let me know how i can do it.
Best regards, (11 Replies)
Discussion started by: nehashine
11 Replies
2. UNIX for Dummies Questions & Answers
Hi
This is a sample of my data file.
##field PH01000000 1 4869017
#PH01000000G0240
WWW278545G0240 P.he_model_v1.0 erine 119238 121805 . - . ID=PH01000000G0240;Description="zinc finger, C3HC4 type domain containing protein, expressed"... (7 Replies)
Discussion started by: sonia102
7 Replies
3. 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
4. UNIX for Dummies Questions & Answers
Hi,
please let me know the commands to create new group/delete existing group in unix and assigning users to newly created group.
Thank you in advance. (2 Replies)
Discussion started by: kancherla.sree
2 Replies
5. Shell Programming and Scripting
Hello,
I have a group of text files with many lines in each file.
I need to delete all the lines in each and only leave 2 lines in each file. (3 Replies)
Discussion started by: script_op2a
3 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
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
8. Shell Programming and Scripting
Dear All,
I m trying to delete two lines at a time in file called 123.txt. Im using sed and based on line numbers i m deleting it and writing it to another file. Follwing i have done.
cat 123.txt | sed '1,5 d' > new
I want to delete line no 1 and 5 at a time, for that i m using... (6 Replies)
Discussion started by: naree
6 Replies
9. Shell Programming and Scripting
Hi there,
Want a help. I have a file with 10,000 lines.Want to delete first 50,000 lines thru script.What will be the comand. :confused:
Thanks
Satadru (3 Replies)
Discussion started by: Satadru
3 Replies
10. UNIX for Dummies Questions & Answers
how can i delete all lines in file by using "vi" ? (6 Replies)
Discussion started by: strok
6 Replies