Merge pull request #224 from MattWis/master

Add ability to preview themes

README.md

@@ -44,6 +44,8 @@ There are a few bash it themes.  If you've created your own custom prompts, I'd
 
 You can see the theme screenshots  [here](https://github.com/revans/bash-it/wiki/Themes)
 
+Alternatively, you can preview the themes in your own shell using `BASH_PREVIEW=true reload`
+
 ## Misc
 
 ### Bash Profile Aliases

lib/preview.bash

@@ -0,0 +1,18 @@
+if [[ $BASH_PREVIEW ]];
+then
+  unset BASH_PREVIEW #Prevent infinite looping
+  echo "
+
+  Previewing Bash-it Themes
+
+  "
+
+  THEMES="$BASH_IT/themes/*/*.theme.bash"
+  for theme in $THEMES
+  do
+    BASH_IT_THEME=$(basename -s '.theme.bash' $theme)
+    echo "
+    $BASH_IT_THEME"
+    echo "" | bash --init-file $BASH_IT/bash_it.sh -i
+  done
+fi