10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
hi all,
i had the below script
x=`cat input.txt |wc -1`
awk 'NR>1 && NR<'$x' ' input.txt > output.txt
by using above script i am able to remove the head and tail part from the input file and able to append the output to the output.txt but if i run it for second time the output is... (2 Replies)
Discussion started by: hemanthsaikumar
2 Replies
2. Shell Programming and Scripting
Hi All,
I wanted to write a perl script to read the content in a file,the file content is either 0 (zero) OR 1. The idea is like this.
If (content =1), then it will proceed to perform some step. and then update the file content to 0(zero)
else
if (content =0), it will update the content to... (11 Replies)
Discussion started by: hploh
11 Replies
3. Shell Programming and Scripting
Hi,
I am having trouble while using 'sed' with reading files. Please help. I have 3 files. File A, file B and file C. I want to find content of file B in file A and replace it by content in file C.
Thanks a lot!!
Here is a sample of my question.
e.g. (file A: a.txt; file B: b.txt; file... (3 Replies)
Discussion started by: dirkaulo
3 Replies
4. Shell Programming and Scripting
I'm using Mail::Internet module, which will basically filter through email content and extract the body of the message
my perl script to extract the body of the email
#!/usr/bin/perl -w
use Mail::Internet;
@lines = <STDIN>;
$mi_obj = new Mail::Internet();
... (2 Replies)
Discussion started by: amlife
2 Replies
5. Shell Programming and Scripting
I need to change the content of the line after I grep it.
The line is :
Date SNWD.I-1 (in) WTEQ.I-1 (in) PREC.I-1 (in) TOBS.I-1 (degC) TMAX.D-1 (degC) TMIN.D-1 (degC) TAVG.D-1 (degC)
I want to change the second column (SNWD.I-1(in)) to SNWD.I-1(m), how could I do that?
I use csh... (2 Replies)
Discussion started by: handsonzhao
2 Replies
6. Shell Programming and Scripting
Hi,
Example File:
(jumped,
bumped,
)
how to
jumped,
FROM tree;
EXIT
I have some hundreads of files like this with the different words and I want to remove the comma before the bracket and also I have to remove the comma before FROM word.
I am trying to use this command :
awk '... (5 Replies)
Discussion started by: rajshashi
5 Replies
7. UNIX for Dummies Questions & Answers
Hi,
I have several text files each containing some data as shown below:
File1.txt
>DataHeader
Data...
Data...
File2.txt
>DataHeader
Data...
Data...
etc.
What I want is to change the 'DataHeader' based on the file name. So the output should look like:
File1.txt
>File1
... (1 Reply)
Discussion started by: Fahmida
1 Replies
8. Shell Programming and Scripting
I am not sure if this is doable. I am trying to open and print the content of the file by replacing all instances fo perl to PERL . This is my code but it is
giving me the number count instead of the actual lines with changes.
open (PERLHISTORY, 'sample.txt') or die "The file sample.txt could... (3 Replies)
Discussion started by: jxh461
3 Replies
9. Shell Programming and Scripting
Hello everybody, I'm new in this forum.
I searched a long time for a solution for my problem but I didn't find the right thing.
I have to read from a file (content is "abngjm" without any other signs) and have to write this content in an array. But every sign has to be called by its own... (5 Replies)
Discussion started by: e_prof
5 Replies
10. UNIX for Dummies Questions & Answers
Hi guys,
I am converting a bash script to perl. I need lots of help and pointers on how to make the script work. Any help would be greatly appreciated. Here is what I have:
#!/usr/bin/perl
#Decrypt Files
$dir = "/usr/bin/gpg;
opendir(PGP_DIR, $dir) || die "can't opendir $dir: $!";... (3 Replies)
Discussion started by: freak
3 Replies