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1. Shell Programming and Scripting
Dear all,
I have a huge txt file (DATA.txt) with the following content . From this txt file, I want the following output using some shell script.
Any help is greatly appreciated.
Greetings,
emily
DATA.txt (snippet of the huge text file)
407202849... (2 Replies)
Discussion started by: emily
2 Replies
2. Shell Programming and Scripting
I want to add/append the info in the following format to my.txt file.
20130702|abcd20130702.txt FN|SN|DOB
I tried the below script but it throws me some exceptions.
<#!/bin/sh
dt = date '+%y%m%d'members;
echo $dt+|+members+$dt;
/usr/bin/awk -f
BEGIN { FS="|"; OFS="|"; } { print... (6 Replies)
Discussion started by: harik1982
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3. UNIX for Dummies Questions & Answers
I have very limited coding skills but I'm wondering if someone could help me with this. There are many threads about matching strings in two files, but I have no idea how to add a column from one file to another based on a matching string.
I'm looking to match column1 in file1 to the number... (3 Replies)
Discussion started by: pathunkathunk
3 Replies
4. Shell Programming and Scripting
Hi All,
I have to arrange one of the text file by deleting specific lines.
cat file1.txt
3595 3595 -0.00842773 -0.0085077 0.00368851
12815 12815 -0.00929239 0.00439785 0.0291697
3747 3747 -0.00974353 0.00228922 0.0225058
3574 3574 -0.00711399 -0.00315748 0.0141206
....
12734... (7 Replies)
Discussion started by: senayasma
7 Replies
5. Shell Programming and Scripting
This is appending a column.
My question is fairly simple. I have a program generating data in a form like so:
1 20
2 22
3 23
4 12
5 43
For ever iteration I'm generating this data. I have the basic idea with cut -f 2 fileA.txt | paste -d >> FileB.txt ???? I want FileB.txt to grow, and... (4 Replies)
Discussion started by: theawknewbie
4 Replies
6. Shell Programming and Scripting
Hi All,
I have a file1.txt where the index of the columns are placed. I want to get the columns from file2.txt corresponding to these index numbers.
I was usually using
awk '{print $5, $6, $2, $3, ...}' file2.txt > output.txt
However, this list is very long. So, i want to read the... (4 Replies)
Discussion started by: senayasma
4 Replies
7. UNIX for Dummies Questions & Answers
I have a diff command that does what I want but when comparing large text/log files, it uses up all the memory I have (sometimes over 8gig of memory)
diff file1.txt file2.txt | grep '^<'| awk '{$1="";print $0}' | sed 's/^ *//'
Is there a better more efficient way to find the lines in one file... (5 Replies)
Discussion started by: raptor25
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8. Shell Programming and Scripting
I have one base file, and multiple target files-- each have uniform line structure so no need to use grep to find things-- can just define sections by line number.
My question is quite simple-- can I use sed to copy a defined block of lines (say lines 5-10) from filename1.txt to overwrite an... (3 Replies)
Discussion started by: czar21
3 Replies
9. UNIX for Dummies Questions & Answers
Hi Guru's,
I need to create 3 files with the contents "ABC" using single command.
Iam using:
echo "ABC" > file1.txt file2.txt file3.txt
the above command is not working. pls help me...
With Regards / Ganapati (4 Replies)
Discussion started by: ganapati
4 Replies
10. Shell Programming and Scripting
I've been searching around here and other places, but can't put this together...
I've got a unique list of words in file 1 (one word on each line).
I need to delete each line in file2 that begins with the word in file1.
I started this way, but want to know how to use file1 words instead... (13 Replies)
Discussion started by: michieka
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