Shell Programming and Scripting

read
like

reading
unlikely

read<TAB>reading
like<TAB>unlikely
.....

r<TAB>r
e     e
a     a
d     d
$     i
      n
      g
      $ #put sign "$" each final of words

awk 'FNR==NR{a[FNR]=$1"\t"; next}{print a[FNR],$1}' root_test.txt affix_test.txt

paste file[12]
read    reading
like    unlikely

r e a d i n g<TAB>I I I I B I I
u n l i k e l y<TAB>I E I I I I B I

I # # # # # # r e a d i n g   //'r' is the main character, before 'r' is null and after 'r' are e,a,d,i,n,g
I # # # # # r e a d i n g #   //'e' is the main character, before 'e' is r and after 'e' are a,d,i,n,g
I # # # # r e a d i n g # #   //'a' is the main character, before 'a' are r,e and after 'a' are d,i,n,g
I # # # r e a d i n g # # #   //'d' is the main character, before 'd' are r,e,a and after 'd' are i,n,g
B # # r e a d i n g # # # #   //'i' is the main character, before 'i' are r,e,a,d and after 'i' are n,g
I # r e a d i n g # # # # #   //'n' is the main character, before 'n' are r,e,a,d,i and after 'n' is g
I r e a d i n g # # # # # #   //'g' is the main character, before 'g' are r,e,a,d,i,n and after 'g' is null

awk '
        {
            for (i=1; i<=length($1); i++) print "#"
                for (j=1; j<=1; j++) print substr ($1, j, 1)
                print ""
        }
' $1

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r

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