UNIX for Advanced & Expert Users

#!/bin/bash
array=(33 H1 HA KA 26 )
for  i in "${array[@]}"
do
#echo $i
awk '{ if (substr($0,270,2)~'/$i/') print; }' $1 >> $1.temp
done

awk 'substr($0,270,2) ~ /33|H1|HA|KA|26/' INPUTFILE

cut -c 270-271 main.txt | egrep -n '33|H1|HA|KA|26' | awk -F ':' '{print $1 }' >> main.lineno 

foreach line (`cat main.lineno`)
#echo $line
    sed -n "$line{p;d}" main.txt >> main.txt.extract
end