convert graph image to text data

To convert a screenshot, photo or scan of a graph or plot to a text data table, use this software:

Engauge Digitizer

http://sourceforge.net/projects/digitizer/?source=navbar

bash copy a directory recursively, excluding some directory or file name

rsync -av --progress sourcefolder /destinationfolder --exclude thefilenametoexclude

rsync -av --progress sourcefolder /destinationfolder --exclude thefoldertoexclude

NOTE: if the filename or directory appear multiple times, they will be excluded multiple times

Src:http://stackoverflow.com/questions/4585929/how-to-use-cp-command-to-exclude-a-specific-directory