shelllings

a practical way to learn shell
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07_wordcount.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
13output=$(sh exercises/07_wordcount.sh)
14answer=$(wc -l LICENSE; wc -w LICENSE; wc -c LICENSE)
15
16[ "$output" = "$answer" ] || failed
17
18printf "${GREEN}Passed${RESET}\n"