martes, 30 de octubre de 2018

Pharo Script of the Day: Mass image format conversion from PNG to JPEG

You might find useful the following code to convert a whole directory of image in PNG format to JPEG:

(FileSystem disk workingDirectory filesMatching: '*.png') do: [ : pngFile |
 pngFile asFileReference binaryReadStreamDo: [ : stream |
   putForm: (PNGReadWriter formFromStream: stream) 
   onFileNamed: pngFile withoutExtension , 'jpg' ] ]
 displayingProgress: 'Converting images to JPG...'.

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