Top Forums Shell Programming and Scripting sed script to print a value from txt file Post 302136789 by cmontr on Wednesday 19th of September 2007 05:45:15 PM
help need for this dummie pls

Hello all, and I appreciate for the help...

Previously I asked similar questions but with a different requirement now...Can someone please help me to print cquestion and its value by passing parameter that way it doesnt print the whole big file over 8GB...Any challenges would be really appreciated...Thanks much...

Here is the chunk of the txt file contains an example of cquestion and the dn value of it :

dn: uid=poi.1111,ou=abc,
authpassword;orclcommonpwd: {SHA}adhnbckhsypzx=
businesscategory: abc
createtimestamp: 20050709198316x
creatorsname: cn=bulkload
modifiersname: cn=bulkload
modifytimestamp: 20050709198316x
objectclass: top
objectclass: cuser
cquestion: xyf88561
dn: uid=poi.2222,ou=def,
authpassword;orclcommonpwd: {SHA}adhnbckhsypzx=
businesscategory: abc
createtimestamp: 20050709198316x
creatorsname: cn=bulkload
modifiersname: cn=bulkload
modifytimestamp: 20050709198316x
objectclass: top
objectclass: cuser
cquestion: leo210375
Test Your Knowledge in Computers #106
Difficulty: Easy
A kernel is at the heart of the Linux OS; and this kernel acts as an interface between the user and underlying hardware.
True or False?

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SHASUM(1)						 Perl Programmers Reference Guide						 SHASUM(1)

shasum - Print or Check SHA Checksums SYNOPSIS
Usage: shasum [OPTION] [FILE]... or: shasum [OPTION] --check [FILE] Print or check SHA checksums. With no FILE, or when FILE is -, read standard input. -a, --algorithm 1 (default), 224, 256, 384, 512 -b, --binary read files in binary mode (default on DOS/Windows) -c, --check check SHA sums against given list -p, --portable read files in portable mode produces same digest on Windows/Unix/Mac -t, --text read files in text mode (default) The following two options are useful only when verifying checksums: -s, --status don't output anything, status code shows success -w, --warn warn about improperly formatted SHA checksum lines -h, --help display this help and exit -v, --version output version information and exit The sums are computed as described in FIPS PUB 180-2. When checking, the input should be a former output of this program. The default mode is to print a line with checksum, a character indicating type (`*' for binary, `?' for portable, ` ' for text), and name for each FILE. DESCRIPTION
The shasum script provides the easiest and most convenient way to compute SHA message digests. Rather than writing a program, the user simply feeds data to the script via the command line, and waits for the results to be printed on standard output. Data can be fed to shasum through files, standard input, or both. The following command shows how easy it is to compute digests for typical inputs such as the NIST test vector "abc": perl -e "print qw(abc)" | shasum Or, if you want to use SHA-256 instead of the default SHA-1, simply say: perl -e "print qw(abc)" | shasum -a 256 Since shasum uses the same interface employed by the familiar sha1sum program (and its somewhat outmoded anscestor md5sum), you can install this script as a convenient drop-in replacement. AUTHOR
Copyright (c) 2003-2008 Mark Shelor <>. SEE ALSO
shasum is implemented using the Perl module Digest::SHA or Digest::SHA::PurePerl. perl v5.12.4 2013-03-18 SHASUM(1)

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