Bloating Illy Flies
Posted 25 February 2008 - 01:30 PM
Posted 25 February 2008 - 01:56 PM
Posted 25 February 2008 - 09:43 PM
This is true with any program. 'Save as' replaces the entire document, where 'save' adds the changes on top of the original document. It's always a good idea to hit 'Save as' every now and then.
Obviously "Save As..." is useful in Illustrator but the question is why??? And why such a huge difference in size? No other program that I can remember working with experiences such bloated file sizes.
Posted 26 February 2008 - 04:13 PM
Posted 26 February 2008 - 05:54 PM
AI files are actually just markup language and scripts in a file; you'll see this if you open an (uncompressed) ai file in a text editor. All this text tells the PGL engine how to render all the bells and whistles. As anyone who has worked with automatically generated markup language can attest, a large amount of crap can get created and stored.
For some reason, Adobe decided it would be cool to have a default setting be to have a 'change log' of sorts written in to the ai files. Everything you do from the creation of your file to the time you save is noted. Now imagine how long you've been editing that file, how many little tweaks you've done to the data, etc: every one of those actions has been recorded. The 'save as' function removes these, since the changes do not apply to the shiny, new file.
The obvious recommendation would be to periodically 'save as', in a phoenix-like rebirth. The most annoying thing about the whole issue (aside from the lack of formal documentation from Adobe) is that there is no checkbox that I know of to deactivate the logging. My guess is that the log is to enable a sort of trace-debug for major screwups, but I know of nobody who backtracks via this method.
Lane Council of Governments
Posted 27 February 2008 - 07:51 AM
Posted 27 February 2008 - 09:39 PM
Seems like I tried that in CS once and things had changed...
Cartographer, Bureau of Land Management
Oregon State Office
Posted 28 February 2008 - 01:18 AM
Email: firstname.lastname@example.org / Twitter: @redgeographics
Posted 28 February 2008 - 12:39 PM
A 1.9Mb mxd was reduced to 0.9Mb using a Save As and yesterday a 36Mb InDesign document was reduced to 12Mb with a Save As...
The Adobe Help Center gave this when I ask "Reduce file size": To save a document under a new name, choose File > Save As, specify a location and file name, and click Save. The newly named file becomes the active document. Using the Save As command might reduce the file size.
It doesn't explain why though, but TaniaJ's explanation makes sense to me.
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