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-2.2.1.180	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.179	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.178	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.177	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.176	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.175	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.174	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.173	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.172	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.171	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.170	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.169	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.167	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.166	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.165	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.164	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.163	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.162	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.161	tracks/bash/exercises/collatz-conjecture/example.sh
trackler-2.2.1.160	tracks/bash/exercises/collatz-conjecture/example.sh