Make spawning tmux sessions fun again

tn.sh

hash_string256() {
	hash_value=$(printf "%s" "$1" | md5sum |tr -d " -"| tr "a-f" "A-F")
	printf "ibase=16; (%s + %X) %% 100 \n" $hash_value "$2" | bc
}

declare -a light

light=(2 3 4 6 7 10 11 12 13 14 15 33 39 41 42 43 44 45 46 47 48 49 50 51 68 69 70 71 72 73 74 5 76 77 78 79 80 81 82 83 84 85 86 87 101 102 103 104 105 106 107 108 109 110 111 12 113 114 115 116 117 118 119 120 121 122 123 134 135 136 137 138 139 140 141 142 143 144 145 46 147 148 149 150 151 152 153 154 155 156 157 158 159 167 168 169 170 171 172 173 174 175 176 77 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 201 202 203 204 205 206 07 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 31 245 246 247 248 249 250 251 252 253 254 255)

if [[ "$1" != "" ]]; then
	sesh="$1"
else
	sesh="$(openssl rand -hex 4)"
fi

hashed=$(hash_string256 "$sesh")
if [[ " ${light[@]} " =~ " ${hashed} " ]]; then
	bgcolor=black
else
	bgcolor=white
fi

tmux list-session | grep --quiet "^${sesh}: "
session_exists=$?
if (( session_exists != 0 )); then
	tmux new-session -s "$sesh" -d
fi

tmux set -t "$sesh" status-style bg=colour${hashed},fg=$bgcolor
#tmux send-keys -t "$sesh" "$sesh colour${hashed} $bgcolor"

tmux attach-session -t "$sesh"