medium10 pts · first answer countslinuxbash

Parsing -e and -v flags

In the loop below, what does the colon after "e" in "e:v" mean?

while getopts "e:v" opt; do
  case $opt in
    e) env=$OPTARG ;;
    v) verbose=1 ;;
  esac
done

A.-e takes a value, which getopts puts in OPTARGB.-e is required and the script fails without itC.-e and -v must be given together as -evD.-e can be given as a long option --e

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Parsing -e and -v flags

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