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Top Forums Shell Programming and Scripting How to extract a piece of information from a huge file Post 302175287 by jim mcnamara on Thursday 13th of March 2008 02:52:33 PM
Old 03-13-2008
Code:
awk '{ if ($2=="information") {outfile=sprintf("%s%s.txt", $1,$2)}
        print $0 > outfile
      }'  infile

output:
Quote:
csadev:/home/jmcnama> cat databaseinformation.txt

aaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaa

csadev:/home/jmcnama> cat osinformation.txt

bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc

csadev:/home/jmcnama> cat applicationinformation.txt

cccccccccccccccccc
cccccccccccccccccc
cccccccccccccccccc
cccccccccccccccccc
cccccccccccccccccc
input:
Quote:
database information

aaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaa

os information

bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc
bbbbbbbbbbbbbbbbbc

application information

cccccccccccccccccc
cccccccccccccccccc
cccccccccccccccccc
cccccccccccccccccc
cccccccccccccccccc
 

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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)
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