shelllings

a practical way to learn shell
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24_grep.sh
1#!/bin/sh
2
3set -eu
4RED="\033[31m"
5GREEN="\033[32m"
6RESET="\033[0m"
7
8failed() {
9 printf "${RED}Failed${RESET}\n"
10 exit 1
11}
12
13[ "$(sh exercises/24_grep.sh)" -eq 13 ] || failed
14
15printf "${GREEN}Passed${RESET}\n"