gistfile1.applescript

set theStartingValue to "6710" -- this is the year to get data for
set theEndingValue to "7777" -- this is now the beginning date

set outputFolder to POSIX path of (choose folder) -- the folder to save the output files to


repeat with theIncrementValue from theStartingValue to theEndingValue by 1
  
	set theURL to "http://polentajam.ch/Bildergallerie/galleries/PJam10-2012/IMG_" & theIncrementValue & ".jpg"
	
	try -- skip errors
		-- log "/usr/bin/curl " & theURL & " -o " & quoted form of (outputFolder & theIncrementValue & ".txt")
		set fileVar to quoted form of (outputFolder & theIncrementValue & ".jpg")
		do shell script "/usr/bin/curl " & theURL & " -o " & fileVar
		do shell script "if ! identify " & fileVar & " &> /dev/null; then rm " & fileVar & "; fi"
	on error errmess number errnum
		if (errnum is -128) or (errnum is -1711) then error errmess number errnum -- pass it on (cancel)
		log errmess
	end try
end repeat