Index: org.gvsig.desktop.library/org.gvsig.exportto/org.gvsig.exportto.swing/org.gvsig.exportto.swing.prov/org.gvsig.exportto.swing.prov.shape/src/main/java/org/gvsig/exportto/swing/prov/shape/ExporttoShapeService.java
===================================================================
--- org.gvsig.desktop.library/org.gvsig.exportto/org.gvsig.exportto.swing/org.gvsig.exportto.swing.prov/org.gvsig.exportto.swing.prov.shape/src/main/java/org/gvsig/exportto/swing/prov/shape/ExporttoShapeService.java	(revisione 41691)
+++ org.gvsig.desktop.library/org.gvsig.exportto/org.gvsig.exportto.swing/org.gvsig.exportto.swing.prov/org.gvsig.exportto.swing.prov.shape/src/main/java/org/gvsig/exportto/swing/prov/shape/ExporttoShapeService.java	(copia locale)
@@ -145,6 +145,7 @@
 		 * Composes a new name with start and end of old name and an index
 		 * THISISAVERYLONGNAME => THISI_AME_1, THISI_AME_2 ... THISI_AME_9
 		 */
+		/*
 		String pref = name.substring(0, 6) + "_" + name.substring(len - 2) + "_";
 		String resp = null;
 		for (int i=0; i<10; i++) {
@@ -153,10 +154,12 @@
 				return resp;
 			}
 		}
+		*/
 		/*
 		 * Very strange to get here...
 		 * THISISAVERYLONGNAME => THISISA_1, THISISA_2 ... THISISA_999
 		 */
+		/*
 		pref = name.substring(0, 7) + "_";
 		for (int i=0; i<1000; i++) {
 			resp = pref + i;
@@ -164,7 +167,27 @@
 				return resp;
 			}
 		}
+		*/
 		/*
+		 * GDAL field name truncation method (extended from 100 to 255)
+		 * THISISAVERYLONGNAME => THISISAVER, THISISAV_1 ... THISISAV_9,
+		 * THISISAV10 ... THISISAV99, THISISA100 ... THISISA255
+		 * (255 = max number of fields in a SHP)
+		 */
+		String resp = null;
+		for (int i=0; i<255; i++) {
+		    if (i==0)
+		    	resp = name.substring(0, 10);
+		    else if (i<9)
+		        resp = name.substring(0, 8) + "_" + (i+1);
+		    else if (i<99)
+		    	resp = name.substring(0, 8) + (i+1);
+		    else
+		    	resp = name.substring(0, 7) + (i+1);
+		    if (!values.contains(resp))
+		        return resp;
+		}
+		/*
 		 * Should not get here
 		 */
 		return name.substring(0, 4) + "_" + (System.currentTimeMillis() % 1000000);