I have 2 files; one file (say, details.txt) contains the details of employees and another file (say, emp.txt) has some selected employee names. I am extracting employee details from details.txt by using emp.txt and the corresponding code is:
while read line
do
emp_name=`echo $line`
grep -e... (7 Replies)
Hi Experts,
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)
Dear All,
Good Evening!!
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)
I’m new to Linux script and not sure how to filter out bad records from huge flat files (over 1.3GB each). The delimiter is a semi colon “;”
Here is the sample of 5 lines in the file:
Name1;phone1;address1;city1;state1;zipcode1
Name2;phone2;address2;city2;state2;zipcode2;comment... (7 Replies)
Hi,
I have a file a.txt having no delimiter.
I want to exclude the line which contains 435th character as 1 or 2 and redirect the rest of the lines to another file b.
Can you pls suggest how to do this in one liner awk.
Following is just one line of the input file a:-
120110116 ... (10 Replies)
Hello ,
I'm trying to split a file which contains a single very long line.
My aim is to split this single line each 120 characters.
I tried with the sed command :
`cat ${MYPATH}/${FILE}|sed -e :a -e 's/^.\{1,120\}$/&\n/;ta' >{MYPATH}/${DEST}`
but when I wc -l the destination file it is... (2 Replies)
Hello,
I need to insert a line (like a header) as the first line of a very huge file (about 3 ml rows). I am able to do it with sed, but redirecting the output and creating a new file takes quite some time. I was wondering if there was a more efficient way of doing it?
Any help would be... (3 Replies)