i have two text file

one is a.txt and another is b.txt

content of a.txt is

a
b
c
d

content of b.txt is

1
2
3
4

i want to process each a.txt line to b.txt line.

for instance.

for each aa as String in a.txt

for bb as integer = 0 to b.txt.count - 1

end for

end for

so what i want to get result is like this one

a1
b2
c3
d4

how can i archieve such like result?
thanks in advance

Why do you think the b file contains integers? It's a text file just like your a file. So just read both files and concatenate every line.

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