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#!/bin/bash
s="a
b
c
d"
echo "'$(awk 'BEGIN{ORS="\n\n\n"};1' <<< "$s")'"
echo "'$(sed 'G;G;G' <<< "$s")'"

Success #stdin #stdout 0s 4152KB

stdin

Standard input is empty

stdout

'a


b


c


d'
'a



b



c



d'

https://ideone.com/NOSJXt

language:

Bash (bash 5.0.3)

created:

visibility:

secret

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