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Top Forums Shell Programming and Scripting Shell script or command help to extract specific contents from a long list of content Post 302359965 by patrick87 on Wednesday 7th of October 2009 08:59:21 PM
Old 10-07-2009
Shell script or command help to extract specific contents from a long list of content

Hi,

I got a long list of contents:
>sequence_1
ASSSSSSSSSSSDDDDDDDDDDDCCCCCCC
ASDSFDFFDFDFFWERERERERFSDFESFSFD
>sequence_2
ASDFDFDFFDDFFDFDSFDSFDFSDFSDFDSFASDSADSADASD
ASDFFDFDFASFASFASFAFSFFSDASFASFASFAFS
>sequence_3
VEDFGSDGSDGSDGSDGSDGSDGSDG
dDFSDFSDFSDFSDFSDFSDFSDFSDF
SDGFDGSFDGSGSDGSDGSDGSDGSDG
>sequence_4
VEDFGSDGSDGSDGSDGSDGSDGSDG
dDFSDFSDFSDFSDFSDFSDFSDFSDF
>sequence_5
ASSSSSSSSSSSDDDDDDDDDDDCCCCCCC
>sequence_6
ASDFDFDFFDDFFDFDSFDSFDFSDFSDFDSFASDSADSADASD
.
.
.
.

My desired output extract the sequence_2,5,6 only:
>sequence_2
ASDFDFDFFDDFFDFDSFDSFDFSDFSDFDSFASDSADSADASD
ASDFFDFDFASFASFASFAFSFFSDASFASFASFAFS
>sequence_5
ASSSSSSSSSSSDDDDDDDDDDDCCCCCCC
>sequence_6
ASDFDFDFFDDFFDFDSFDSFDFSDFSDFDSFASDSADSADASD

Do anybody know how I can extract specific contents from a long list of content by using shell script or any command like sed,awk,etc?
 

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ADSL-SETUP(8)						      System Manager's Manual						     ADSL-SETUP(8)

NAME
adsl-setup - Shell script to configure Roaring Penguin PPPoE client SYNOPSIS
adsl-setup DESCRIPTION
adsl-setup is a shell script which prompts you for various pieces of information and sets up an /etc/sysconfig/network-scripts/ifcfg-ppp0 configuration script for the adsl-start, adsl-stop and adsl-connect scripts. AUTHOR
adsl-setup was written by David F. Skoll <dfs@roaringpenguin.com>. The pppoe home page is http://www.roaringpenguin.com/pppoe/. SEE ALSO
pppoe(8), adsl-start(8), adsl-stop(8), adsl-connect(8), pppd(8), pppoe.conf(5), adsl-status(8), pppoe-sniff(8), pppoe-relay(8), pppoe- server(8) 4th Berkeley Distribution 21 February 2000 ADSL-SETUP(8)
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