Build a frequency-sorted dictionary from <address>\t<login>\t<password> with optionally given minimal and maximal occurencies.

creds.sh

#!/bin/bash

usage() {
        echo "Usage: $(basename $0) <file.creds> [<min> [max]]"
        exit 0
}

[ -f "$1" ] || usage

if [ "$2" == "" ]; then
        cat "$1" | sort -u | cut -f2,3 | sort | uniq -c | sort -nr | sed 's/^ *\([0-9]*\) /\1\t/'
elif [ "$2" != "" -a "$3" == "" ]; then
        cat "$1" | sort -u | cut -f2,3 | sort | uniq -c | sort -nr | sed 's/^ *\([0-9]*\) /\1\t/' | awk -v min="$2" '{if ($1 >= min) print $0}'
else
        cat "$1" | sort -u | cut -f2,3 | sort | uniq -c | sort -nr | sed 's/^ *\([0-9]*\) /\1\t/' | awk -v min="$2" -v max="$3" '{if ($1 >= min && $1 <= max) print $0}'
fi