New fx numerical only file size in Bytes without the B

[fmw42]

As of IM 6.9.10-6 and 7.0.8-6, there is an fx term for the numerical file size in Bytes without the B. It is called "extent". So now one can do

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convert rose: -format "%[fx:extent]\n" info:

9673

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convert logo: -format "%[fx:extent]\n" info:

28576

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convert logo: rose: -format "%[fx:u.extent>v.extent?1:0]\n" info:

1
1

If using two images, you will get 0 or 1 two times. So at least in Unix, you can do

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convert  logo: rose: -format "%[fx:u.extent>v.extent?1:0]\n" info: | head -n 1

1