wordle

#!/bin/bash

a=`basename $0`
usage="$a <5-dot/green-letters> <bad-letters> [<good letters> <bad-position> [<bad-position>...]]"

if [ $# -lt 2 ]; then
	echo ""
	echo "Usage: $usage"
	echo ""
	echo "Examples:"
	echo ""
	cat << EOF
	Second letter is "L", bad letters are C, O, U, B, N, S, I. Doesn't end in D. E is not the 3rd letter.
	D is not the 2nd-last letter.

		$a .l... coubnsi de 'd\$' '^..e' 'e\$' 'd.\$'

	R, A, and E are in the correct location. I, S, D, O, G, C are not in the word.

		$a .ra.e isdogc

EOF
	exit 1
fi

patt="$1"

bad="$2"

good=""

bp1=""
bp2=""
bp3=""
bp4=""
bp5=""
bp6=""

[ $# -gt 2 ] && good="$3"
[ $# -gt 3 ] && bp1="|$4"
[ $# -gt 4 ] && bp2="|$5"
[ $# -gt 5 ] && bp3="|$6"
[ $# -gt 6 ] && bp4="|$7"
[ $# -gt 7 ] && bp5="|$8"
[ $# -gt 8 ] && bp6="|$9"

pattern="\^${patt}\$"
badPattern="\(\[${bad}\]${bp1}${bp2}${bp3}${bp4}${bp5}${bp6}\)"
q="'"
qq='"'

# cmd="tr '[A-Z]' '[a-z]' < /usr/share/dict/web2 | egrep '^${patt}$' | egrep -v '${badPattern}'"
# echo $cmd
tr '[A-Z]' '[a-z]' < /usr/share/dict/web2 | egrep "^${patt}\$" | egrep -v ${badPattern} | less