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- #!/bin/bash
- # mcd
- echo –n ‘Introduce a: ’
- read a
- echo –n ‘Introduce b: ’
- read b
- while test ! $a -eq $b
- do
- if test $a -gt $b
- then
- a=`expr $a - $b`
- else
- b=`expr $b - $a`
- fi
- done
- echo “El MCD es $a”
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