Insert a line in a file by deleting that line from another file
Hi all,
I have a huge file(size more that 5GB).
I want to do some manupulation with the records and write to another file.
As the size of the file is huge and there is a space constraint in that directory, I want to delete that record from first file after writing it in to second file.
Example:-
can anyone please help me on this???
thanks in adv....
Last edited by Scott; 11-15-2012 at 04:58 PM..
Reason: Code tags, again
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)
Script 1
Pre-requisites
Create a file with x amount of lines in it, the content of your choice.
Write a script that takes two arguments. The first being a line of text, the second being your newly created file. The script should take the first argument and insert it into the very top (the... (3 Replies)
Hi All,
I have too many .gz files (test.gz).
Task is to remove first line of each file.
Can I do it without unzipping the files?
Your help is appreciated. (4 Replies)
Hi Friends,
I am writing a shell script where it is required to insert a file say file1 into file2 after certain number of fixed lines in file2..
Please help me how this could be done.. Please suggest me any useful links i need to go through to achieve this....
Thanks in advance .. (2 Replies)
Hi,
I need to insert a new line containing the string "QUERY" above every 5 lines.
The below piece of code inserts a new line after every 5th line
awk '{print $0} !(NR%5) {print "QUERY"}'
sed 'n;n;n;n;G;' --> I do not know how to give "QUERY" string here
But I need to insert it before... (4 Replies)
I have a test file that I want to read and insert only certain lines into the
the table based on a filter.
1. Rread the log file 12 Hours back Getdate() -12 Hours
2. Extract the following information on for lines that say "DUMP is
complete"
A. Date
B. Database Name
C.... (2 Replies)
Hi All,
I am using UNix Sun OS sun4u sparc SUNW,SPARC-Enterprise
My intention is to insert a line of text after 13th line of every file inside a particular directory.
While trying to do it for a single file , i am using sed
sed '3 i this is the 4th line' filename
sed: command garbled: 3... (5 Replies)
Hi friends, here is my problem.
I have three files like this..
cat file1.txt
=======
unix is best
unix is best
linux is best
unix is best
linux is best
linux is best
unix is best
unix is best
cat file2.txt
========
Windows performs better
Mac OS performs better
Windows... (4 Replies)
Hi all,
I'm new to scripting.. facing some problems while inserting content of a file into another file...
I want to insert content of a file (file2) into file1, before first occurrence of "line starts with pattern" in file1
file1
======
working on linux
its unix world
working on... (14 Replies)
Discussion started by: Jagadeesh Kumar
14 Replies
LEARN ABOUT CENTOS
hugetlbfs_find_path_for_size
HUGETLBFS_FIND_PATH(3) Library Functions Manual HUGETLBFS_FIND_PATH(3)NAME
hugetlbfs_find_path, hugetlbfs_find_path_for_size - Locate an appropriate hugetlbfs mount point
SYNOPSIS
#include <hugetlbfs.h>
const char *hugetlbfs_find_path(void);
const char *hugetlbfs_find_path_for_size(long page_size);
DESCRIPTION
These functions return a pathname for a mounted hugetlbfs filesystem for the appropriate huge page size. For hugetlbfs_find_path, the
default huge page size is used (see gethugepagesize(3)). For hugetlbfs_find_path_for_size, a valid huge page size must be specified (see
gethugepagesizes(3)).
RETURN VALUE
On success, a non-NULL value is returned. On failure, NULL is returned.
SEE ALSO libhugetlbfs(7), gethugepagesize(3), gethugepagesizes(3)AUTHORS
libhugetlbfs was written by various people on the libhugetlbfs-devel mailing list.
March 7, 2012 HUGETLBFS_FIND_PATH(3)