As mentioned at 道場: Nice Plain Text Columns and Avoiding NIH http://lists.colug.net/pipermail/colug-432/2011-August/001019.html Portable Visible Tabs in Shell Scripts http://lists.colug.net/pipermail/colug-432/2011-August/001028.html http://lists.colug.net/pipermail/colug-432/2011-August/001030.html