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#!/bin/bash
sed -r -n '1,2 s/([a-z]+):([a-z]+).*/\1 \2/p'

Success #stdin #stdout 0s 19632KB

stdin

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root:x:0:0:root:/root:/bin/bash

stdout

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root x

https://ideone.com/Hcnc4Y

language:

Bash (bash 5.0.3)

created:

visibility:

public

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