Contents

#!/usr/bin/env bash

if [ "$1" -gt 0 ]; then
    N=$1
else
    echo "Error: Only positive numbers are allowed"
    exit 1
fi

STEP=0

while [ "$N" -ne "1" ]
do
    if [ "$(($N % 2))" -eq "0" ]; then
        N=$(($N / 2))
    else
        N=$((($N * 3) + 1))
    fi
    STEP=$(($STEP + 1))
done

echo $STEP

Version data entries

95 entries across 95 versions & 1 rubygems

Version	Path
trackler-2.2.1.139	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.138	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.137	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.136	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.135	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.134	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.133	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.132	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.131	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.130	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.129	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.128	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.127	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.126	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.125	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.124	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.123	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.122	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.121	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.120	tracks/bash/exercises/collatz-conjecture/example.sh