import os

#replaces all occurences of "pattern" with "replace" in all files in all subfolders
pattern="PndTpc"
replace="Tpc"
root="."
filetypes=[".C", ".py", ".cxx",".h",".c",".cc",".hh",".par",".dat",".txt"]
for dir, subdirs, names in os.walk( root ):
    for name in names:
        if "./rave" not in root:
            if os.path.splitext(name)[-1] in filetypes:
                path = os.path.join( dir, name )
                print "\n\n"+ path+"\n"
                
                text = open( path ).read()
                if pattern in text:
                    open( path, 'w' ).write(text.replace( pattern, replace ) )
#                print text.replace( pattern, replace )