Shell Programming and Scripting

form 1
fill 2
fill 3
form 4
fill 5
form 6
fill 7
form 8

category1  1
category2  4
category2  6
category1  8

awk '{print $1}' input_file | sed -e 's/form\\nfill/category1/g' -e 's/fill\\nform\\nfil/category2/g'

awk '/form/{if($2<2 || $2>7){print "category 1",$2} else {print"category 2",$2}}' file

Check for form
check above and below  fill word
if above and below fill found, then it is category2.
If only one filll either above or belo, then category1.

nawk '$1=="form" {print "category" ++c, $2}' myFile

use form as reference and check below and above fill word, if only one fill found then it should go to category1 and if two fill found then it will be category2.

{
N
s/form\nfill/category1\n/
}