07-29-2009
Grep matched records from huge file
111111111100000000001111111111
123232323200000010001114545454
232435424200000000001232131212
342354234301000000002323423443
232435424200000000001232131212
2390898994200000000001238908092
This is the record format.
From 11th position to 20th position in a record there are 0's occuring,and in some records there are value in between 11th to 20th positoin.
Now i want to grep only 4 nd 6 reocrd from a dat file,and if those records having numeric in between 11th to 20th position ie 0000100000,(only 1 will occur at any place from 11th to 20th).
Please help me out.
---------- Post updated at 02:02 PM ---------- Previous update was at 01:42 PM ----------
need only 4th and 6th records with 000000000 's from 11 to 20th position and 1 anyware in between.0's
Record Format
111111111100000000001111111111
123232323200000010001114545454
232435424200000000001232131212
342354234301000000002323423443
232435424200000000001232131212
2390898994200000000001238908092
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LEARN ABOUT CENTOS
hugetlbfs_find_path
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)