Re: How to change file names?
- To: mathgroup at smc.vnet.net
- Subject: [mg70826] Re: How to change file names?
- From: albert <awnl at arcor.de>
- Date: Sat, 28 Oct 2006 23:37:58 -0400 (EDT)
- References: <email@example.com>
solidifire wrote: > There are n JPEG files, with file names f1, f2, ..., fn. > I want to change their names to, for example, g1, g2, ..., gn. > Of course the easiest way is to change file names by myself, > but this is not convenient when n is large. > How should I do by using Mathematica? > I tried: > > Export["g1.jpg", > Import["f1.jpg", "JPEG"], "JPEG"] > > It does change the file name as I expect. > There is, however, a side effect: > somehow the file size in bytes of g1.jpg is one-tenth of that of > f1.jpg. > Besides, I have to read in the files and then write out the files > -- I don't think these two steps are really necessary, > because all I want to do is to change the file names. > Is there any better method? > Thank you in advance. How about using RenameFile["g1.jpg","f1.jpg"]. To be on the save side, you also might consider CopyFile and probably do a cleanup with DeleteFile as a second step, when everything turns out to be o.k. ... hth, albert