"*************************************************************************"
"replacetext(filename,inText,outText) - Do a search-and-replace on        "
"                    a single text file, filename. The first argument is  "
"                    the file name.  Argument 2 is text to be replaced    "
"                    and Argument 3 is the replacement text.              "
"           example:replacetext('~/vnmrsys/maclib/tancpx','pwX90','pwY90')" 
"*************************************************************************" 


