property |NSURL| : a reference to current application’s |NSURL|
property NSArray : a reference to current application’s NSArray
property NSPredicate : a reference to current application’s NSPredicate
property NSURLTypeIdentifierKey : a reference to current application’s NSURLTypeIdentifierKey

tell application "Finder"
　　set inFiles to selection as alias list
end tell

if inFiles = {} then return

–指定のAlias listのうちPDFのみ抽出
set filRes1 to filterAliasListByUTI(inFiles, "com.adobe.pdf") of me

–ファイル名
set cList to {}
repeat with i in (filRes1 as list)
　　set j to contents of i
　　set aFileName to ((current application’s NSString’s stringWithString:j)’s valueForKeyPath:"lastPathComponent.stringByDeletingPathExtension")
　　
　　set aNumF to returnNumberCharsOnly(aFileName) of me
　　set the end of cList to {numDat:(aNumF as integer), pathDat:j}
end repeat

set aResList to sortRecListByLabel(cList, "numDat", true) of me –昇順ソート
set bResList to (aResList’s valueForKeyPath:"pathDat") as list of string or string
–>　　{​​​​​"/Users/me/Pictures/243.pdf", ​​​​​"/Users/me/Pictures/244.pdf", ​​​​​"/Users/me/Pictures/245.pdf", ​​​​​"/Users/me/Pictures/246.pdf", ​​​​​"/Users/me/Pictures/247.pdf", ​​​​​"/Users/me/Pictures/248.pdf", ​​​​​"/Users/me/Pictures/249.pdf", ​​​​​"/Users/me/Pictures/250.pdf", ​​​​​"/Users/me/Pictures/251.pdf", ​​​​​"/Users/me/Pictures/252.pdf", ​​​​​"/Users/me/Pictures/253.pdf", ​​​​​"/Users/me/Pictures/254.pdf", ​​​​​"/Users/me/Pictures/255.pdf", ​​​​​"/Users/me/Pictures/256.pdf", ​​​​​"/Users/me/Pictures/257.pdf"​​​}

–文字列中から
on returnNumberCharsOnly(aStr)
　　set anNSString to current application’s NSString’s stringWithString:aStr
　　set anNSString to anNSString’s stringByReplacingOccurrencesOfString:"[^0-9]" withString:"" options:(current application’s NSRegularExpressionSearch) range:{0, anNSString’s |length|()}
　　return anNSString as text
end returnNumberCharsOnly

–リストに入れたレコードを、指定の属性ラベルの値でソート
on sortRecListByLabel(aRecList as list, aLabelStr as string, ascendF as boolean)
　　–ListからNSArrayへの型変換
　　set aArray to current application’s NSArray’s arrayWithArray:aRecList
　　
　　–ソート
　　set sortDesc to current application’s NSSortDescriptor’s alloc()’s initWithKey:aLabelStr ascending:ascendF
　　set sortDescArray to current application’s NSArray’s arrayWithObjects:sortDesc
　　set sortedArray to aArray’s sortedArrayUsingDescriptors:sortDescArray
　　return sortedArray
end sortRecListByLabel

–Alias listから指定UTIに含まれるものをPOSIX pathのリストで返す
on filterAliasListByUTI(aList, targUTI)
　　set newList to {}
　　repeat with i in aList
　　　　set j to POSIX path of i
　　　　set tmpUTI to my retUTIfromPath(j)
　　　　set utiRes to my filterUTIList({tmpUTI}, targUTI)
　　　　if utiRes is not equal to {} then
　　　　　　set the end of newList to j
　　　　end if
　　end repeat
　　return newList
end filterAliasListByUTI

–指定のPOSIX pathのファイルのUTIを求める
on retUTIfromPath(aPOSIXPath)
　　set aURL to |NSURL|’s fileURLWithPath:aPOSIXPath
　　set {theResult, theValue} to aURL’s getResourceValue:(reference) forKey:NSURLTypeIdentifierKey |error|:(missing value)
　　
　　if theResult = true then
　　　　return theValue as string
　　else
　　　　return theResult
　　end if
end retUTIfromPath

–UTIリストが指定UTIに含まれているかどうか演算を行う
on filterUTIList(aUTIList, aUTIstr)
　　set anArray to NSArray’s arrayWithArray:aUTIList
　　set aPred to NSPredicate’s predicateWithFormat_("SELF UTI-CONFORMS-TO %@", aUTIstr)
　　set bRes to (anArray’s filteredArrayUsingPredicate:aPred) as list
　　return bRes
end filterUTIList