10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
I am trying to find out the line numbers where regex match and put them into a file with below command:
awk '/'$pat'/ {print NR}' $fileName >> temp.txt
where $pat is the regex
but this command is taking a lot of time to execute with bigger files for size more than 5000000... (8 Replies)
Discussion started by: JoeColeEPL9
8 Replies
2. Shell Programming and Scripting
Hi Frnds,
I need to find the line number of a particular line in a file and store that line number to a variable.
if a file named myfile contains following
look at the sun
look at the moon
look at the star
look at the ocean
i need to get the line number of the line 'look at the... (3 Replies)
Discussion started by: mvignesh
3 Replies
3. Shell Programming and Scripting
Hello All,
What i am doing is , i tail a file from certain chatacter and then cat -n to get the line numbers.I search for a particular string and gets it line number. What i am interested in is the next line immediately after the pattern i search.
But grep gives me result for all line... (5 Replies)
Discussion started by: kailash19
5 Replies
4. Shell Programming and Scripting
Hi All,
My file looks some thing like this,
File 1: -
A 10
B 30
C 5
D 25
E 72
F 23
now my requirement is to find the line with highest number in it, i;e the result should be
E 72
Thanks in Advance (1 Reply)
Discussion started by: balu_puttaganti
1 Replies
5. UNIX for Dummies Questions & Answers
Sorry for the title, I really don't know how to word this question or what to even search for. I tried "grep one match", "grep 1 match", "stop grep" on both google and here and haven't found something that helps, so here I go:
I have a file that's about 1.5 million lines long, every line looks... (3 Replies)
Discussion started by: rmoakler
3 Replies
6. Shell Programming and Scripting
suppose i have this line
abs|der|gt|dftnrk|dtre
i want to count the number of "|" in this line..
how can i do that.
plz help:confused: (9 Replies)
Discussion started by: priyanka3006
9 Replies
7. Shell Programming and Scripting
hi
i have a file , that contains data like
34343538 3136414D 45583030 30302E54 445816AMEX0000.T
524E2020 20202020 20202020 20202020 RN
20202020 20203030 38303030 30303030 0080000000
30303030 30300D 000000.
20080724-051254.668419 D 473... (1 Reply)
Discussion started by: Satyak
1 Replies
8. Shell Programming and Scripting
hi guys,
I want to do pattern matching with awk or sed but I don't know how. here's what I want:
I have a line number for a pattern that I have already found using grep, and I know a pattern like "---" that happens a few lines above that certain line number. I want to print out the chunk... (1 Reply)
Discussion started by: alirezan
1 Replies
9. Shell Programming and Scripting
Hi,I am new to shell scripting and i want to find the line numbers of matching braces.
The file contents are as follows
File XXX.dat
1 ( CLASS "FRUIT"
2 (TYPE "PERSISTENT")
3 (MESSAGE_TYPE "M")
4 (GET_REQRD "Y")
5 (SET_REQRD "Y")
6 )
7 ( CLASS... (3 Replies)
Discussion started by: Rajendra_1510
3 Replies
10. Shell Programming and Scripting
Is it possible for me to find numbers in a file by a range using grep?
like
cat data | cut -f1 | grep <info>
Im trying to find information and extract every amount that is less than a number (ie less than 75 or whatever)
Is this possible? (2 Replies)
Discussion started by: DKNUCKLES
2 Replies