On 4/19/05, Ghislain Mary <nospam / lunacymaze.org> wrote: > > But can't we open a file in read-write mode and directly do > substitutions in it without using an auxiliary file? > You can use IO.pos to seek within a file, however what will you do if your substitute string is not the same length as the original string? Files have no concept of insert/delete. -- Into RFID? www.rfidnewsupdate.com Simple, fast, news.