shelllings

a practical way to learn shell
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08_cat.sh (336B)

      1 #!/bin/sh
      2 
      3 set -eu
      4 RED="\033[31m"
      5 GREEN="\033[32m"
      6 RESET="\033[0m"
      7 
      8 cleanup() {
      9 	[ -f "08_cat" ] && rm 08_cat
     10 }
     11 trap cleanup EXIT
     12 
     13 failed() {
     14 	printf "${RED}Failed${RESET}\n"
     15 	exit 1
     16 }
     17 
     18 output=$(sh exercises/08_cat.sh)
     19 answer=$(tail -n 50 LICENSE | wc -w)
     20 
     21 [ $(wc -w < 08_cat) -eq $answer ] || failed
     22 
     23 printf "${GREEN}Passed${RESET}\n"