10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi All,
Seeking for your assistance on how to search and replace the last field/column. please see sample below:
inputfile1.csv
="8923523434",="543623534"="afd23535623",="100"="200"
="8923523431",="543623536"="afd23535626",="101"="201"... (3 Replies)
Discussion started by: poginiks
3 Replies
2. Shell Programming and Scripting
Hello friends,
I have huge file with many sets where each "set" has few lines and each set always begins with "Set" in Sq brackets as shown above.
# cat file1 (2 Replies)
Discussion started by: magnus29
2 Replies
3. Shell Programming and Scripting
Hi ,
I have been trying to write a perl script to do this job. But i am not able to achieve the desired result. Below is my code.
my $current_value=12345;
my @users=("bob","ben","tom","harry");
open DBLIST,"<","/var/tmp/DBinfo";
my @input = <DBLIST>;
foreach (@users)
{
my... (11 Replies)
Discussion started by: chidori
11 Replies
4. Shell Programming and Scripting
I have 2 files A.txt and B.txt
A.txt 3 fields and separate by a comma
some,thing,florida
any1,thing1,california
some2,thing2,dallas
just,fun,kansas
B.txt has 8 fields and separate by a comma
what,ever,florida-state,,,,,,
some,one,dallas_state,,,,,,
You will see 3rd fields are the... (5 Replies)
Discussion started by: sabercats
5 Replies
5. Shell Programming and Scripting
Dear All,
I have file with 4 columns:
1 AA 0 21
2 BB 0 31
3 AA 0 21
4 CC 0 41
I would like to find the duplicate record based on column 2 and replace the 4th column of the duplicate by a new value. So, the output will be:
1 AA 0 21
2 BB 0 31
3 AA 0 -21
4 CC 0 41
Any suggestions... (3 Replies)
Discussion started by: ezhil01
3 Replies
6. Shell Programming and Scripting
Hello, I am using awk to match text in a tab separated field and am able to do so when matching the exact word. My problem is that I would like to match any sequence of text in the tab-separated field without having to match it all. Any help will be appreciated. Please see the code below.
awk... (3 Replies)
Discussion started by: rocket_dog
3 Replies
7. Shell Programming and Scripting
Hi,
I have a file having around 30 records. Each record has 5 fields delimited by PIPE. Few records in the file having Junk characters in the field2 and field4.
I found the junk charcter and I tested it and replace the junk with space with the command below
perl -i -p -e "s/\x00/ /g"... (1 Reply)
Discussion started by: ramkrix
1 Replies
8. Shell Programming and Scripting
I am writing a c++ program that has many calls of pow(input,2). I now realize that this is slowing down the program and these all should be input * input for greater speed.
There should be a simple way of doing this replacement throughout my file with awk, but I am not very familiar with awk.... (2 Replies)
Discussion started by: bluejayek
2 Replies
9. Shell Programming and Scripting
Hi All,
I have a file with following list.
example 1
========
cat 1.txt
--------
0000cab4752c
0000dab47c2c
...
...
...
Also i have another file 2.txt in which the data is in this format as shown:
cat 2.txt
---------... (6 Replies)
Discussion started by: imas
6 Replies
10. Shell Programming and Scripting
Hello,
I have a file that looks like this:
num11 num12 num13 word1
num21 num22 num23 word2
num31 num32 num33 word3
.
.
.
I would like to search for the lines that contain a given number, but I need to narrow the search only to the first field, that means that the number has to... (4 Replies)
Discussion started by: shira
4 Replies