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Apr 6th, 2020
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  1. [ "$#" = 0 ] && echo "Erreur: Veuillez indiquer la valeur de A." && exit 1
  2. [ "$#" = 1 ] && echo "Erreur: Veuillez indiquer la valeur de B." && exit 1
  3. [ "$#" = 2 ] && echo "Erreur: Veuillez indiquer la valeur de C." && exit 1
  4. [ "$#" -gt 3 ] && echo "Erreur: Veuillez n'indiquer que 3 nombres." && exit 1
  5.  
  6. ./delta.sh 4
  7. ./delta.sh: ligne 14: [ 1 : commande introuvable
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