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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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SC_ATTACH(1)						    BSD General Commands Manual 					      SC_ATTACH(1)

NAME
sc_attach -- simple scamper driver. SYNOPSIS
sc_attach [-?v] [-i infile] [-o outfile] [-p port] DESCRIPTION
The sc_attach utility provides the ability to connect to a running scamper(1) instance, have a set of commands defined in a file be executed, and the output be written into a single file, in warts format. The options are as follows: -? prints a list of command line options and a synopsis of each. -i infile specifies the name of the input file which consists of a sequence of scamper(1) commands, one per line. If '-' is specified, com- mands are read from stdin. -o outfile specifies the name of the output file to be written. The output file will use the warts format. If '-' is specified, output will be sent to stdout. -p port specifies the port on the local host where scamper(1) is accepting control socket connections. -v prints the current revision of sc_attach and exits. EXAMPLE
Given a set of commands in a file named infile.txt: tbit -M 1280 -u 'http://www.example.com/' 2620:0:2d0:200::10 trace -P udp-paris -M 192.0.2.1 ping -P icmp-echo 192.0.32.10 and a scamper(1) daemon listening on port 31337, then these commands can be executed using sc_attach -i infile.txt -o outfile.warts -p 31337 SEE ALSO
scamper(1), sc_wartsdump(1), sc_warts2text(1) AUTHORS
sc_attach is written by Matthew Luckie <mjl@luckie.org.nz>. BSD
October 15, 2010 BSD
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