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Extract sequences from a FASTA file based on another file

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Top Forums Shell Programming and Scripting Extract sequences from a FASTA file based on another file
# 8  
Old 12-31-2013
Building on (and moderately simplifying) bartus11's proposal:
Code:
awk -F"[>|:]" \
        'NR==FNR        {a[$0]; next}  
         /^>/           {p=($2$3 in a)}
         p
        ' file2 file1
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