How do i convert a character from row to column in a shell scripting or command. example: input: HELLO

i want output:

H
E
L
L
O

I tried with tr command . But it doesn't worked

CodePudding user response：

With awk

echo "HELLO" | awk -v FS= -v OFS='\n' '{$1=$1}1' 

Or

awk -v FS= -v OFS='\n' '{$1=$1}1'  <<< 'HELLO'

CodePudding user response：

A quick one:

$  sed 's/./&\n/g' <<<"HELLO"
H
E
L
L
O