Initial Oh My Bash framework

lib/spectrum.sh

@@ -0,0 +1,37 @@
+#! /bin/bash
+# A script to make using 256 colors in bash less painful.
+# P.C. Shyamshankar <sykora@lucentbeing.com>
+# Copied from http://github.com/sykora/etc/blob/master/zsh/functions/spectrum/
+
+typeset -AHg FX FG BG
+
+FX=(
+    reset     "%{^[[00m%}"
+    bold      "%{^[[01m%}" no-bold      "%{^[[22m%}"
+    italic    "%{^[[03m%}" no-italic    "%{^[[23m%}"
+    underline "%{^[[04m%}" no-underline "%{^[[24m%}"
+    blink     "%{^[[05m%}" no-blink     "%{^[[25m%}"
+    reverse   "%{^[[07m%}" no-reverse   "%{^[[27m%}"
+)
+
+for color in {000..255}; do
+    FG[$color]="%{^[[38;5;${color}m%}"
+    BG[$color]="%{^[[48;5;${color}m%}"
+done
+
+
+OSH_SPECTRUM_TEXT=${OSH_SPECTRUM_TEXT:-Arma virumque cano Troiae qui primus ab oris}
+
+# Show all 256 colors with color number
+function spectrum_ls() {
+  for code in {000..255}; do
+    print -P -- "$code: %{$FG[$code]%}$OSH_SPECTRUM_TEXT%{$reset_color%}"
+  done
+}
+
+# Show all 256 colors where the background is set to specific color
+function spectrum_bls() {
+  for code in {000..255}; do
+    print -P -- "$code: %{$BG[$code]%}$OSH_SPECTRUM_TEXT%{$reset_color%}"
+  done
+}