the braces can be omitted if the statement carries only one instruction.
> Hello,
>
> version A works.
>
> *Version A*
> // Recursively lists the files in a user-specified directory
> // With ImageJ 1.37i or later, open files on the list by
> // double clicking on them. A preview of 1.37i is available at
> //
http://rsb.info.nih.gov/ij/ij.jar>
> requires("1.32f");
> dir = getDirectory("Choose a Directory ");
> count = 1;
> listFiles(dir);
>
> function listFiles(dir) {
> list = getFileList(dir);
> for (i=0; i<list.length; i++) {
> if (endsWith(list[i], "/"))
> listFiles(""+dir+list[i]);
> else
> print((count++) + ": " + dir + list[i]);
> }
> }
>
> If I address dir to another variable it doesn´t work. Why?
>
> *Version B*
> // Recursively lists the files in a user-specified directory
> // With ImageJ 1.37i or later, open files on the list by
> // double clicking on them. A preview of 1.37i is available at
> //
http://rsb.info.nih.gov/ij/ij.jar>
> requires("1.32f");
> dir = getDirectory("Choose a Directory ");
>
> count = 1;
> listFiles(dir);
>
> function listFiles(dir) {
> list = getFileList(dir);
> for (i=0; i<list.length; i++) {
> if (endsWith(list[i], "/"))
> listFiles(""+dir+list[i]);
> else
> *m=dir;*
> print((count++) + ": " *+ m* + list[i]);
> }
> }
>
> Actually I would like to have the possibility to treat *dir or m* as an
> variable becaus I wish to extract a substring out of *dir*.
>
>
> Thanks
>