99c4e02ecf
Name it instead "topics" so it won't be strange if some topics included "exercises" directory.
27 lines
507 B
Markdown
27 lines
507 B
Markdown
## Number of Arguments
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### Objectives
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* Write a script that will print "Got it: <argument value>" in case of one argument
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* In case no arguments were provided, it will print "Usage: ./<program name> <argument>"
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* In case of more than one argument, print "hey hey...too many!"
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### Solution
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```
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#!/usr/bin/env bash
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set -eu
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main() {
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case $# in
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0) printf "%s" "Usage: ./<program name> <argument>"; return 1 ;;
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1) printf "%s" "Got it: $1"; return 0 ;;
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*) return 1 ;;
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esac
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}
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main "$@"
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```
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