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. Shell Programming and Scripting
Hi
I need to delete lines from a file which are after pattern1 and between pattern 2 and patter3, as below:
aaaaaaaa
bbbbbbbb
pattern1
cdededed
ddededed
pattern2
fefefefe <-----Delete this line
efefefef <-----Delete this line
pattern3
adsffdsd
huaserew
Please can you suggest... (6 Replies)
Discussion started by: vk2012
6 Replies
3. Shell Programming and Scripting
im having an array @check which contains text ..i want to open the array and i have to delete lines starting from a word called "check1" till "check2"
for eg:-
check1 Use descriptive titles when posting. For example, do not post questions with subjects like "Help Me!", "Urgent!!" or "Doubt".... (0 Replies)
Discussion started by: rajkrishna89
0 Replies
4. 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
5. 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
6. 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
7. UNIX for Dummies Questions & Answers
I've got a file like this:
Grid-ref= 443, 229
167 169 204 233 290 309 308 326 300 251 194 161
148 189 228 251 296 329 331 338 308 263 219 179
178 203 215 252 277 319 327 335 312 264 196 149
120 172 226 253 297 329 323 322 305 242 203 136
... (20 Replies)
Discussion started by: su_in99
20 Replies
8. 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
9. Shell Programming and Scripting
I have a file which has about 500K records and I need to delete about 50 records from the file. I know line numbers and am using
sed '13456,13457,......d' filename > new file.
It does not seem to be working.
Any help will greatly appreciated. (5 Replies)
Discussion started by: oracle8
5 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