==============================
dbar, (c) 2007 by Robert Manea
==============================

dbar is an application that generates semi graphical progress meters,
from some values you supply to it.

See the usage examples for a description of the expacted input format.

Options:
--------

     -max :  Value to be considered 100%   (default: 100)
     -min :  Value to be considered   0%   (default: 0  )
     -w   :  Number of charcaters to be 
             considered 100% in the meter  (default: 25 )
     -s   :  Symbol represeting the 
             percentage value in the meter (default: =  )
     -l   :  label to be prepended to 
             the bar                       (default: '' )
     -nonl:  no new line, don't put 
             '\n' at the end of the bar    (default: do print '\n')

dbar lets you define static 0% and 100% marks with the '-min' and '-max'
options or you can provide these marks dynamically at runtime.  Static
and dynamic marks can be mixed, in this case the value specified at
runtime will have a higher priority.

You can specify ranges of numbers, negative, positive or ranges with a
negative min value and positive max value.

All numbers are treated as double precision floating point, i.e. the
input is NOT limited to integers.


Usage examples:

 1) Static 0% and 100% mark or single value input:

   echo 25 | dbar -m 100 -l Sometext

   Output: Sometext  25% [======                   ]

 2) If your 100% mark changes dynamically or 2-values input:

   echo "50 150" | dbar
         ^   ^
         |   |__ max. value
         |
         |__ value to display

   Output: 33% [========                 ]

 3) If your value range is not between [0, maxval] or 3-values input:

   echo "50 -25 150" | dbar
         ^   ^  ^
         |   |  |__ max. value 100% mark
         |   |
         |   |_____ min. value 0% mark
         |
         |________ value to display

   Output: 43% [===========              ]


 4) Multiple runs:

   for i in 2 20 50 75 80; do echo $i; sleep 1; done | dbar | dzen2

   Output: Find out yourself.