Manage artist/album names containing path separators ('/' or '\')

src/main/kotlin/bandcampcollectiondownloader/BandcampCollectionDownloader.kt

@@ -84,11 +84,9 @@ fun downloadAll(cookiesFile: Path?, bandcampUser: String, downloadFormat: String
         val url = digitalItem.downloads[downloadFormat]?.get("url").orEmpty()
         val artid = digitalItem.art_id
 
-        // If windows, replace colons in file names by a unicode char that looks like a colon
-        if (isWindows()) {
-            albumtitle = albumtitle.replace(':', '꞉')
-            artist = artist.replace(':', '꞉')
-        }
+        // Replace invalid chars by similar unicode chars
+        albumtitle = replaceInvalidCharsByUnicode(albumtitle)
+        artist = replaceInvalidCharsByUnicode(artist)
 
         // Prepare artist and album folder
         val albumFolderName = "$releaseYear - $albumtitle"

src/main/kotlin/bandcampcollectiondownloader/Util.kt

@@ -68,3 +68,10 @@ fun isWindows(): Boolean {
     return os.indexOf("win") >= 0
 }
 
+fun replaceInvalidCharsByUnicode(s: String): String {
+    var result: String = s
+    result = result.replace(':', '꞉')
+    result = result.replace('/', '／')
+    result = result.replace('\\', '⧹')
+    return result
+}