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Full Discussion: Match first pattern first then extract second pattern match
Top Forums Shell Programming and Scripting Match first pattern first then extract second pattern match Post 302377981 by rdcwayx on Sunday 6th of December 2009 07:12:47 AM
Old 12-06-2009
Debian
patrick87, your sample input file make us confused. So I have to guess.

I change your input file, in number two session, there is no keyword accession. Please confirm, if this is your desired output.

Code:
$ cat input.txt
<accession>Q91G55</accession>
<name>043L_IIV6</name>
<protein>
<recommendedName>
<location>
<position position="294"/>
</location>
<fullName>Uncharacterized protein 043L</fullName>

<name>1106L_ASFB7</name>
<protein>
<recommendedName>
<fullName>Protein MGF 110-6L</fullName>

<accession>O55734</accession>
<name>120L_IIV6</name>
<fullName>Uncharacterized protein 120L</fullName>

$  awk 'BEGIN {RS=""; FS="\n"} /<accession>/ {for (i=1;i<=NF;i++) {if ($i~/<fullName>/) {print $i}}}' input.txt
<fullName>Uncharacterized protein 043L</fullName>
<fullName>Uncharacterized protein 120L</fullName>

 

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