in linux terminal or bash script
%%bash
echo "Michael" | grep -o '.'
M
i
c
h
a
e
l
or in Python
%%python3
from re import findall
print(*findall('.', 'Michael'), sep='\n')
M
i
c
h
a
e
l
or just this
print(*list("Michael"), sep="\n")
or using Perl
echo "Michael" | perl -ne'print join("\n", split(//))'
or another way using Perl
perl -E'say for split//,"Michael"'
or
perl -E'say for "Michael"=~m/(.)/g'
or
perl -E'say for unpack"(A)*","Michael"'
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