10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
I have a fixed-length positional file. I am trying to replace content of position 4-13 (length=10) with xxxxxxxxxx.
Sample 2 rows in this file:
H0187459823 172SMITH, JOE
H0112345678 172DOE, JANE
In this example 87459823 (from 1st line) and 12345678 (from 2nd line) (both in position... (3 Replies)
Discussion started by: Diver181
3 Replies
2. Shell Programming and Scripting
Hi,
I have a file with hundreds of lines. I want to search for particular lines starting with 4000, search and replace the 137-139 position characters; which will be '000', with '036'. Can all of this be done without opening a temp file and then moving that temp file to the original file name.
... (7 Replies)
Discussion started by: dsid
7 Replies
3. Emergency UNIX and Linux Support
Hello,
My input file1 is like this by tab-delimited
chr1 mm10_knownGene stop_codon 3216022 3216024 0.000000 - . gene_id "uc007aeu.1"; transcript_id "uc007aeu.1";
chr1 mm10_knownGene CDS 3216025 3216968 0.000000 - 2 gene_id "uc007aeu.1"; transcript_id "uc007aeu.1"; ... (3 Replies)
Discussion started by: jacobs.smith
3 Replies
4. Shell Programming and Scripting
Hello,
I have two files: file1 and file2
file1 has the following info:
---
host: "localhost"
port: 3000
reporter_type: "zookeeper"
zk_hosts:
- "localhost:2181"
file2 contains an IP address (1.1.1.1)
What I want to do is replace localhost with 1.1.1.1, so that the... (4 Replies)
Discussion started by: Jay Kah
4 Replies
5. Shell Programming and Scripting
my requirement is,
consider a file output
cat output
blah sdjfhjkd jsdfhjksdh
sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf
hellow there
this doesnt look good
et cetc etc
etcetera
i want to replace a line of line number 4 ("this doesnt look good") with some other line
... (3 Replies)
Discussion started by: vivek d r
3 Replies
6. Shell Programming and Scripting
I'm trying to update a text file via sed/awk, after a lot of searching I still can't find a code snippet that I can get to work.
Brief overview:
I have user input a line to a variable, I then find a specific value in this line 10th field in this case. After asking for new input and doing some... (14 Replies)
Discussion started by: crownedzero
14 Replies
7. Shell Programming and Scripting
From the existing file, I need to replace specific contents possibly with var every time when the user changes the var.
e.g the contents in the file file.txt is 'My name is $n and I am $y years old' and every time user changed the var outside the file, the contents of the file should be created... (4 Replies)
Discussion started by: Emilywu
4 Replies
8. Shell Programming and Scripting
I am attempting to replace positions 44-46 with YYY if positions 48-50 = XXX.
awk -F "" '{if (substr($0,48,3)=="XXX") $44="YYY"}1' OFS="" $filename > $tempfile
But this is not working, 44-46 is still spaces in my tempfile instead of YYY. Any suggestions would be greatly appreciated. (9 Replies)
Discussion started by: halplessProblem
9 Replies
9. Shell Programming and Scripting
Hello ,
I need to extract data from specific byte positions of a file.
I have tried the below command
awk ' { printf "%s", substr($0, 642363,642369}' filename
to extract data between byte positions
642363 and 642369 .
However I did not get the expected result.
I am new to awk... (6 Replies)
Discussion started by: rmv
6 Replies
10. Shell Programming and Scripting
using sed to replace a specific string on a specific line number using variables
this is where i am at
grep -v WARNING output | grep -v spawn | grep -v Passphrase | grep -v Authentication | grep -v '/sbin/tfadmin netguard -C'| grep -v 'NETWORK>' >> output.clean
grep -n Destination... (2 Replies)
Discussion started by: todd.cutting
2 Replies