backup/split_backup.pl aktualisiert

Add help opt

backup/split_backup.pl

@@ -226,7 +226,7 @@ sub sync_disc {
 
     $logger->info("Syncing disc '$disc_path' done.");
 }
-
+my $show_help;
 my $res =
 
 GetOptions(
@@ -236,9 +236,31 @@ GetOptions(
     'use-existing-layout!',
     'only-disc:i' ,
     'dry-run',
-    'use_effective_free_kb!' , # 
+    'use-effective-free-kb!' , #
+    'no-prune!' ,
+    'help!' => \$show_help,
 ) or log_die "Error in command line arguments\n";
 
+
+if ( $show_help ) {
+    print <<'HELP';
+Usage: perl backup.pl [options]
+
+Options:
+  --generate-layout-only       Create backup layout file but skip actual backup
+  --simulate-updates           Simulate updates for layout check without touching data
+  --use-existing-layout        Use a previously generated layout plan
+  --only-disc=N                Run backup only for disc number N (as per layout index)
+  --dry-run                    Simulate full backup process but skip data copy
+  --use-effective-free-kb      Use precise space checking (exclude currently used space on disc)
+  --no-prune                   Disable pruning of old backups
+  --help                       Show this help message and exit
+
+HELP
+    exit 0;
+}
+
+
 $opt = { map { $_ =~ s/-/_/gr } @{[%$opt]} } ; 
 
 $logger->info("Running with Parameter", $opt);