[NTLUG:Discuss] shrink images globally

[Stephen Davidson]

Hi Terry.

I found ffmpeg (links over at SourceForge) to be an efficient command 
line tool for this.  Provides much more as well.

Regards,
Steve

Terry Henderson wrote:

>I sometimes find the need to resize a whole directory of images to a
>certain size and would like to learn some efficient way to do it
>globally.  I use gimp, but it's several mouse clicks and you manually
>enter pixel sizes each time for each image and if there are 20 or 30
>images, well, you can imagine, it's time consuming.
>I'm usually wanting to make them smaller and all the same size. 
>convert -size 512x348 * 
>works well, but what you end up with is all of the originals
>untouched, and a whole new set of resized files with new names like,
>[assume we have just 4 files, p0001.jpg - p0004.jpg] p0004.jpg.0 
>p0004.jpg.1 p0004.jpg.2  p0004.jpg.3  When, what I'd rather do is just
>overwrite with same 'ol filenames as before.  Or just something
>besides adding .1 .2 .3 etc. to end of files, like p00040.jpg
>p00041.jpg p00042.jpg p00043.jpg Or just simply overwrite all and 
>leave them all same filenames, but just smaller images.
>
>I can use command:
>convert -size 512x348 * +profile '*' smaller.jpg
>and that just gives me:  smaller.jpg.0 smaller.jpg.1 smaller.jpg.2 smaller.jpg.3
>Sounds so simple, but just don't see any way to do what I really want to do.
>Am I just using the wrong application?  or?
>
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-- 
Java/J2EE Developer/Integrator
Stephen Davidson and Associates, Inc.
Past Chair, Dallas/FortWorth J2EE Sig
214-724-7741