added rainbow

bash/rainbow

@@ -0,0 +1,34 @@
+#!/bin/bash
+# ASCII blocks: █▓▒░
+block="░"
+[ -z "$1" ] && c="$block" || c="$1"
+[ -z "$2" ] && prompt="pi@blueberrypielol" || prompt="$2"
+[[ "$@" == *"--raw"* ]] && praw=1
+colors=18
+chars=${#prompt}
+let short=$chars/$colors # min length
+let full="chars%colors"
+let part="$colors-($chars%$colors)"  # short color count
+let nmax="$chars%$colors"  # Long color count
+[ $nmax -eq 0 ] && max=$short || let max=$short+1 # max length
+pos=0
+p=0
+[[ "$c" == "b" ]] && c="$block"
+for i in 196 202 214 220 226 190 154 118 85 87 39 33 27 63 99 135 171 207; do
+ if [[ "$c" == "n" ]]; then
+  pretty="${pretty}\e[38;5;${i}m${i}\e[0m "
+ elif [[ "$c" == "p" ]]; then
+   [ ${pos} -lt ${full} ] && len=$max || len=$short
+   #${parameter:offset:length}
+   pretty="${pretty}\e[38;5;${i}m${prompt:${p}:${len}}\e[0m"
+   let p=p+len
+   let pos=pos+1
+ else
+  pretty="${pretty}\e[38;5;${i}m${c}\e[0m"
+ fi
+done
+echo
+[ -z "$pretty" ] || echo -e $pretty
+[ -z "$praw" ] || echo
+[ -z "$praw" ] || echo $pretty
+echo