Use Mac Built-in Utility Convert FLAC to ALAC with a Few Clicks

I happen to know that mac has a built-in feature, Afconvert, for convert sampling rate and formats of audio files. You can use it to convert FLAC to ALAC on Mac. I have also made a shortcut to ease the process.
Get the flac to alac alconvert shortcut:
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Convert FLAC to ALAC FFmpeg Shortcut:
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Convert FLAC to ALAC on Windows:
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Learn more ways to convert flac to alac:
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Looking for any useful shortcuts? try this Shortcuts search engine:
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The second portion of the script inside the shortcut ends with an error "Couldn't open input file (-54)".