Save upon compile any or all procedure files in procedure windows

//Saves any procedures displayed in a procedure window. Include the AfterCompiledHook function below to call this after compiling procedure files
//In limited testing, UTF-8 encoding (#pragma TextEncoding = "UTF-8") re-opens better than Windows-1252 after saving in the way this procedure does (via fprintf with strings)
function saveProcs()
 
//some default settings
    String procsToBackup="*;"       //list (semi-colon delimited) any procedures that should be saved. ".ipf" should end each list item*
        //*with one exception; to save the main procedure window, one list item should be "Procedure"
        //to save the main procedure window and any other procedure window, use procsToBackup = "*"
        //To save procedures named myProcs0 and myProcs1, use procsToBackup="myProcs0;myProcs1;" (or procsToBackup="myProcs*;")
 
    String saveAppendStr = "_bu"        //optionally specify a string to append to each save file name
        //In Igor7, it's probably best to specify a saveAppendStr or choose a directory other than one currently containing the to-be-saved procedure file(s).
        //Using saveAppendStr="" and saving into the procedure file-containing directory will cause Igor7 to think the procedure file was modified externally. 
        //Igor7 will keep trying to resolve the conflict after each compile, and when you choose to resolve it, each procedure needs to be recompiled, causing
        //them to save again, re-call this function, and so on. There might be some settings where this is advantageous: putting off the conflict resolution, a reload from 
        //file is like restoring to the last compile point while using file->"save procedure as..." would allow new updates to be saved
 
    Variable numCharsPerWrite=500       //this has to below the limit of fprintf..not sure what that limit is, but 500 is ok
    String saveExtension = ".ipf"       //I've also tested ".txt". The txt files can be copied into a procedure file and then work fine. The code might display properly in a txt file opened with proper encoding settings?
 
//find procedures that should be backed up according to procsToBackup
    variable i,j; string saveList="", matchList, match, allProcWins=winlist("*",";","WIN:128")
    for (i=0;i<itemsinlist(procsToBackup);i+=1)
        matchList= ListMatch(allProcWins, stringfromlist(i,procsToBackup))
        for (j=0;j<itemsinlist(matchList);j+=1)
            match = stringfromlist(j,matchList)
            if (whichListItem(match,saveList) < 0)
                saveList += match + ";"
            endif
        endfor
    endfor
  
    if (!itemsinlist(saveList))
        return 0        //do nothing if no procedures match the list in procsToBackup
    endif
 
//choose a file to save backup(s) to; only necessary once per experiment
//use newpath/O saveProcFiles_path to choose a new path
    pathinfo saveProcFiles_path
    if (!V_flag)
        newpath/O saveProcFiles_path
        if (V_flag)
            Print "saveProcFiles(): user aborted selection of a folder for saving procedures; aborting"
        endif
    endif
 
//write each procedure to its save file with fprintf
    Variable saveLen,strIndex,numFullWrites,fileRefNum,writeIndexDelta=numCharsPerWrite-1
    String procWinName,saveStr,fileName
    for (i=0;i<itemsinlist(saveList);i+=1)
        procWinName = stringfromlist(i,saveList)
        saveStr = ProcedureText("" , inf, procWinName)      
        saveLen = strlen(saveStr)
        if (stringmatch(procWinName,"*.ipf"))
            fileName=procWinName[0,strlen(procWinName)-strlen(".ipf")-1]
        else
            fileName=procWinName
        endif 
        fileName = fileName+saveAppendStr+saveExtension
        
        numFullWrites=floor(saveLen/numCharsPerWrite)
        Open/Z/P=saveProcFiles_path fileRefNum as fileName
        if (V_flag)
            Print "saveProcs(): failed to identify procedure file save location. Aborting."
            close fileRefNum
            return 0
        endif
        for (j=0;j<numFullWrites;j+=1)
            strIndex=j*numCharsPerWrite
            fprintf fileRefNum,"%s",saveStr[strIndex,strIndex+writeIndexDelta]
        endfor
        strIndex+=numCharsPerWrite
        fprintf fileRefNum,"%s",saveStr[strIndex,inf]
        close fileRefNum
    endfor 
end
 
static function AfterCompiledHook()
    saveProcs() 
 
    return 0
end