Re: bulk scale

thanks *Brian*

On Fri, Jan 1, 2016 at 2:33 PM, Brian Cluff <brian@snaptek.com> wrote:

> Take a look at the command "mogrify". It's a command that comes with
> imagmagic (convert) and generally takes the same options as convert, but it
> made to do bulk converstion, so that you don't need to have a for loop
> around your command.
> Just be aware that it will usually replace your images with the converted
> versions, so make sure you test things out on backups.
>
> Brian Cluff
>
> On 12/31/2015 02:34 PM, Matt Graham wrote:
>
>> On Dec 31, 2015 1:57 PM, "Michael Havens" <bmike1@gmail.com> wrote:
>>>
>>>> Is there a way to scale a bunch of pictures down to the same size
>>>> with GIMP?
>>>>
>>>
>> Probably, but it'd be a lot more of a pain to do that than to do what
>> sean suggested.
>>
>> On 2015-12-31 14:07, sean wrote:
>>
>>> Use ImageMagick instead - it's designed for this and is quite powerful.
>>>
>>
>> To expand on what sean wrote:
>>

>> for FILE in *.jpg ; do
>>     NEWFILE=`echo "$FILE" | sed -e 's/.jpg$/_resized.jpg/'`
>>     convert "$FILE" -resize 50% "$NEWFILE"
>>     done

>>
>> ...will take all the .jpg files in the current dir and write out new
>> files named (original filename)_resized.jpg which have their X and Y
>> dimensions reduced by 50%. The original files will still be there. The
>> geometry specification in ImageMagick is powerful, so it's more
>> complicated than you may expect.
>> http://www.imagemagick.org/script/command-line-processing.php#geometry
>> for all the things you can do with it.
>>
>>
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