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Jul 17th, 2019
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  1. #! /bin/bash
  2. while true
  3. do
  4. echo -n "Digite el la cadena de la cual desea saber el primer digito: ";
  5. read numero;
  6. echo "El primer caracter es: '${numero:0:1}'";
  7. echo "Si desea intentar de nuevo presione 1, de lo contrario presione 2:
  8. read salir;
  9. if $salir != $1; then
  10. echo "Adios :)";
  11. $DELAY;
  12. break
  13. fi
  14. done
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