loop over characters in input string using awk

Question

Believe it or not, I can\'t find the answer to what I would think would be this very basic question.

In awk, how can I loop over the input string character by charac

Answer 1

if you have gawk:

awk '$0=gensub(/(.)/,"\\1\n","g")' file

test:

kent$  echo "I am a String"|awk '$0=gensub(/(.)/,"\\1\n","g")'
I

a
m

a

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