10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello all,
I have 2 text files.
For example:
File1.txt contains data
A
B
C
D
****NEXT****
X
Y
Z
****NEXT****
L
M
N
and File2.txt contains data (13 Replies)
Discussion started by: vat1kor
13 Replies
2. UNIX for Dummies Questions & Answers
Hi,
I have 1000 text files in a folder that are labeled data1.txt all the way to data1000.txt. I want to write a small script that manipulates the text files in this way:
(1) cut the 2nd and 9th columns of the text files
(2) sort by the numerical value in the 9th column
(3) then save the rows... (3 Replies)
Discussion started by: evelibertine
3 Replies
3. Shell Programming and Scripting
I want to write a Perl script that manipulates multiple files. In the directory, I have files 250.*chr$.ped where * is from 1 to 1000 and $ is from 1-22 for a total of 22 x 10,000 = 22,000 files.
I want to write a script that only manipulates files 250.1chr*.ped where * is from 1 to 22.... (10 Replies)
Discussion started by: evelibertine
10 Replies
4. Shell Programming and Scripting
Hi Everyone,
I have two files i.e. one file2 contains today's data and the other file1 contains Yesterday's data.
The data in the files contains 226 columns and the data for the coulums separated by a Pipe "|" delimiter.
Now, I have 4 Primary keys (coulumns) by which I have to compare file2 and... (10 Replies)
Discussion started by: filter
10 Replies
5. UNIX for Dummies Questions & Answers
Hi,
I'd like to process multiple files. For example:
file1.txt
file2.txt
file3.txt
Each file contains several lines of data. I want to extract a piece of data and output it to a new file.
file1.txt ----> newfile1.txt
file2.txt ----> newfile2.txt
file3.txt ----> newfile3.txt
Here is... (3 Replies)
Discussion started by: Liverpaul09
3 Replies
6. Shell Programming and Scripting
Hi All,
Please help me in writing data to a file in one row.
In database there is a column which contains large data which does not fit in the file in one row. The column contains list of paths. I want to write these paths to a file in one row.
Please find the code below writes :
... (2 Replies)
Discussion started by: rajeshorpu
2 Replies
7. Shell Programming and Scripting
I have several files that are being generated every 20 minutes. Each file contains 2 columns. The 1st column is Text, 2nd column is Data.
I would like to generate one single file from all these files as follows:
One instance of 1st column Text, followed by 2nd column Data separated by... (5 Replies)
Discussion started by: subhap
5 Replies
8. Shell Programming and Scripting
Hi ,
I want to read the data from 9 tables in oracle DB into 9 different files in the same connection instance (session). I am able to get data from one table to one file with below code :
X=`sqlplus -s user/pwd@DB <<eof
select col1 from table1;
EXIT;
eof`
echo $X>myfile
Can anyone... (2 Replies)
Discussion started by: net
2 Replies
9. UNIX for Dummies Questions & Answers
Hello,
Our group is just starting to get into UNIX here. We are former REXX users on a VM Mainframe. Can someone point me to the documentation to read a file and write a file in a Unix Shell Script or does this have to be done in another language?
Thank you in advance...
Dave (3 Replies)
Discussion started by: tracydp
3 Replies
10. Programming
Between mmap and shared memory which is the best method of sharing data between multiple applications, interms of speed? (1 Reply)
Discussion started by: nmds
1 Replies