AppleScript: match and delete files in folder

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My photo camera allows to save pictures in RAW and JPG in parallel. I find this convenient because on my Mac I can quickly browse the JPGs and delete the "bad" ones. Besides, I keep the RAW files of the "good" JPGs in case I need to do some deep editing.

I would like to write an AppleScript which deletes all the "bad" RAWs (RAW files which don't have a corresponding JPG anymore). All files are in the same directory.

This is my outline (far away from correct syntax!):

tell application "Finder"  set source_folder to choose folder with prompt "Please select directory."  my clearFiles(source_folder)end tellon clearFiles(source_folder)  set theItems to ""  tell application "System Events"    set theItems to get the name of every disk item of source_folder  end tell  repeat with theFile in theItems    if the extension of theFile is "raw" and exists name of theFile & ".jpg" then      tell finder         delete (name of theFile & ".raw") in source_folder      and tell    end if  end tellend clearFiles

osx applescript pattern-matching finder

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asked Jul 13 '15 at 23:35

user5112996

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try this

set source_folder to choose folder with prompt "Please select directory."tell application "Finder"    set rawFiles to every file of source_folder whose name extension is "raw"    repeat with aFile in rawFiles        set baseName to text 1 thru -5 of (get name of aFile)        set jpgFile to baseName & ".jpg"        if not (exists file jpgFile of source_folder) then delete aFile    end repeatend tell