added a new sequence for escaping [ and ] -- patch distributed by Salvatore again

perl/dev-dsmci.pl

@@ -52,6 +52,7 @@
 # 2019-11-20    0.6.5   added a patch collecting all error and warning lines and write to an errorlog file
 #			Thanks to Salvatore again for this fix
 # 2019-11-26	0.6.5.1	added some return codes
+# 2019-11-29	0.6.5.2	added a new sequence for escaping "[" and "]" -- patch distributed by Salvatore again
 #
 # important notes
 #
@@ -754,6 +755,8 @@ sub fork_backup_threads
 				$dir =~ s{\#$}{};
 				# escape "$" if part of the name
 				$dir =~ s{\$}{\\\$}g;
+				# escape special [ and ] in paths
+				$dir =~ s{([\[\]])}{\\$1}g;
 
 				# backup commandline
 				$command = "\"$dsmcbin\" i \"$dir\" -optfile=\"$optfile\" -su=$switcher >> $log_filename 2>&1";