10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
This query is regarding performance improvement of a command.
I have a list of IDs in a file (say file1 with single ID column) and file2 has the data rows.
I need to get the IDs from file1 and search in file2, matching rows from file2 should be written to a file3.
For this... (4 Replies)
Discussion started by: Tanu
2. UNIX for Dummies Questions & Answers
I am new to this forum and this is my first post.
My requirement is like to optimize the time taken to grep the file with 40000 lines.
There are two files FILEA(40000 lines) FILEB(40000 lines).
The requirement is like this, both the file will be in the format below... (11 Replies)
Discussion started by: mad man
3. UNIX for Advanced & Expert Users
I'm trying to remove duplicate data from an input file with unsorted data which is of size >50GB and write the unique records to a new file.
I'm trying and already tried out a variety of options posted in similar threads/forums. But no luck so far..
Any suggestions please ?
Thanks !! (9 Replies)
Discussion started by: Kannan K
4. Shell Programming and Scripting
I have created a shell script for Server Log Automation Process. I have used
find xargs grep command to search the string.
find -name | xargs grep "816995225" > test.txt .
Here my problem is,
We have lot of records and we want to grep the string... (4 Replies)
Discussion started by: nanthagopal
5. Shell Programming and Scripting
I had to edit (a particular value) in header line of a very huge file so for that i wanted to search & replace a particular value on a file which was of 24 GB in Size. I managed to do it but it took long time to complete. Can anyone please tell me how can we do it in a optimised... (7 Replies)
Discussion started by: manishkomar007
6. Shell Programming and Scripting
I have a requirement to ftp a 220GB backup file to a remote backup server.
I wrote a script for this purpose.
But it takes more than 8 hours to transfer this file.
Is there any other method to do it in less time???
Thanks in Advance!!!
---------- Post updated... (5 Replies)
Discussion started by: Naga06
7. Shell Programming and Scripting
The Unix flavor can be any amongst Solaris, AIX, HP-UX and Linux. I have below 2 flat files.
Contains 50,000 rows with 2 fields in each row, separated by pipe.
Row structure is like Object_Id|Object_Name, as following:
... (6 Replies)
Discussion started by: Souvik
8. Shell Programming and Scripting
I have file which contains around 5000 lines.
The lines are fixed legth but having no delimiter.Each line line contains nearly 3000 characters.
I want to delete the lines
a> if it starts with 1 and if 576th postion is a digit i,e 0-9
b> if it starts with 0 or 9(i,e header and footer)
... (4 Replies)
Discussion started by: millan
9. Shell Programming and Scripting
I have to find out the run time for 40-45 different componets. These components writes in to a genreric log file in a single directory.
directory is LOG and the log file name format is generic_log_<process_id>_<date YY_MM_DD_HH_MM_SS>.log
i am taking the run time using the time... (3 Replies)
Discussion started by: vikash_k
10. Shell Programming and Scripting
This is the record format.
From 11th position to 20th position in a record there are 0's occuring,and... (6 Replies)
Discussion started by: mjkreddy