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Top Forums Shell Programming and Scripting Shell Programming and Scripting Post 302169392 by nivas on Thursday 21st of February 2008 06:01:17 AM
Old 02-21-2008
Shell Programming and Scripting

Hi,

Iam having file1 as follows:

ERTYUIOU|1234567689089767688
FDHJHKJH|6817738971783893499
JFKDKLLUI|9080986766433498444

FILE2

Code:
ERTYUIOU|1234567689089767688   resh@abc_com     767637218328322332                     893589893499                         asdsddssd                            2008 80930`2323232
JFKDKFDF|0980897489377324734     UIYUEEIIXCZHOPOW[OGTI   U IUEOIWERIWERERRE          78978978123823   9 90990990-033-93-0909  
JKDDFJLKJFDLFKD

I HAVE GIVEN ONLU 2 LINES IN FILE2

there are lacs of recorsd in file2.

i need to take 1st line in file1 and take that record in file2.

i have used grep command to fetch records from file2....but it is taking hours of time to fetch lacks of records

so i don't want to use grep. instaed how i can take the records from file2 by keeping file1 records.

Thanks in advance.


main goal is to optimise the time taken for greping.
i want to finish the entire fecthing within few minutes.
nivas
 

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XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME
xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files SYNOPSIS
xzcmp [cmp_options] file1 [file2] xzdiff [diff_options] file1 [file2] lzcmp [cmp_options] file1 [file2] lzdiff [diff_options] file1 [file2] DESCRIPTION
xzcmp and xdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), or bzip2(1). All options specified are passed directly to cmp or diff. If only one file is specified, then the files compared are file1 (which must have a suffix of a supported com- pression format) and file1 from which the compression format suffix has been stripped. If two files are specified, then they are uncom- pressed if necessary and fed to cmp(1) or diff(1). The exit status from cmp or diff is preserved. The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils. SEE ALSO
cmp(1), diff(1), xz(1), gzip(1), bzip2(1), zdiff(1) BUGS
Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified. Tukaani 2009-07-05 XZDIFF(1)
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