In <1177924784.122690.233540 at p77g2000hsh.googlegroups.com>, saif.shakeel wrote: > File writing can be done in that way,but my query is > something different.I have to rename the output file by default with > input file name(only changing the extension. Take a look at the functions in `os.path`. Ciao, Marc 'BlackJack' Rintsch