filename

    %%currentfile(%f): path.t2t
         %%infile(%f): path.t2t
        %%outfile(%f): path.txt

filename (w/o extension)

    %%currentfile(%F): path
         %%infile(%F): path
        %%outfile(%F): path

dirname

    %%currentfile(%d): /ABSOLUTE-PATH-TO-TEST-FOLDER/test/macro
         %%infile(%d): /ABSOLUTE-PATH-TO-TEST-FOLDER/test/macro
        %%outfile(%d): /ABSOLUTE-PATH-TO-TEST-FOLDER/test/macro

dirname (only parent dir)

    %%currentfile(%D): macro
         %%infile(%D): macro
        %%outfile(%D): macro

file path

    %%currentfile(%p): /ABSOLUTE-PATH-TO-TEST-FOLDER/test/macro/path.t2t
         %%infile(%p): /ABSOLUTE-PATH-TO-TEST-FOLDER/test/macro/path.t2t
        %%outfile(%p): /ABSOLUTE-PATH-TO-TEST-FOLDER/test/macro/path.txt

extension

    %%currentfile(%e): t2t
         %%infile(%e): t2t
        %%outfile(%e): txt