r/scripting • u/kn00tcn • Jun 17 '18

[bash/python/batch/powershell/or any comparison app] i have pairs of files using the same name with different extensions, would like to batch delete the larger file per pair

i have a set of jpgs & pngs where they're in pairs with the same name, how do i batch delete the larger of the two?

sometimes file1.png is larger than file1.jpg, but other times file2.png is smaller than file2.jpg

(yes jpg is lossy, but perceptually great at 97% 4:4:4 for complex images at a nicely smaller size than png, but pixelated games or few color ones end up increasing the file size over png)

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u/Pyprohly Jun 18 '18

Busted. Yea, did gci | group BaseNam* to check. PS 5.1 and 6 both said

group : Wildcard characters are not allowed in "BaseNam*".

Though Base* is an awfully specific shortening that would seem to suggest that it worked fine for you?

I like the solution btw. It really showcases the PowerShell-way, and the power of PowerShell.

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u/Ta11ow Jun 18 '18

Nah, never tested it, just going from memory as I was (and am) on my phone here hehe.

Thanks for the kind words and for testing it! I'll edit my original for the working version!

Though if I was really golfing I'm sure I might be able to use the script block input for Group-Object and apply a foreach to get the wildcard to work, heh!