copy


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#!/usr/bin/env bash

NAME="$(basename "$0")"
FROM="$1"
TO="$2"

usage() {
    printf "Usage: %s from to\n" "$NAME"
    printf "from    The directory to copy from.\n"
    printf "to      The directory to copy to.\n"
}

if [[ ! -d "$FROM" ]];
then
    usage
    exit 1
fi

if [[ ! -d "$TO" ]];
then
    usage
    exit 1
fi

for i in {1..9};
do
    if [[ ! -e "$TO/man$i" ]];
    then
        mkdir "$TO/man$i"
    fi

    find "$FROM" -type f -name "*.$i" | xargs -I {} cp {} "$TO/man$i"
done