#! /bin/bash

# BASH script to center all text in the middle of 79-column width.
# Leading white spaces are insignificant and no trailing spaces appear 
# at the end.
#
# First written : S Gowtham, Sun, 09 Apr 2006 08:47:20 -0400
# Last modified : S Gowtham, Sun, 09 Apr 2006 08:47:20 -0400
#

if [ "$1" != "" ];
then
  sed  -e :a -e 's/^.\{1,77\}$/ &/;ta' -e 's/\( *\)\1/\1/' $1 > $1.calign
  echo "Open $1.calign"
fi