Added pad4 alias

Simple sed filter to padd all by 4 spaces for inclusion into e-mail
and the likes.

dotfiles/bash/global-before.bashrc

@@ -16,6 +16,7 @@ export GLOBIGNORE=.:..
 alias ll='ls -lh'
 alias open='gnome-open'
 alias diff='diff -u'
+alias pad4='sed -e "s/^/    /"'
 
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