Thanks for your help. One issue fixed. Now I have problem to succesfully execute the most important backup command. Second foreach loop have system command (below pasted latest, fixed a bit version): 
 foreach (@files) {
        chdir($fbbin);
        print "Tworze kopie bazy $_ \n";
        system('./gbak -user sysdba -password masterkey -BACKUP_DATABA
+SE localhost:$bazy$_ $kopie$_.gbk') or print "Blad archiwizowania baz
+y $_ \n";
        print "Gotowa kopia bazy $_ \n";

}

[download]
I`ve try it in many ways in single quotes `` or '' also in "" always command output is the same: 
gbak: ERROR:requires both input and output filenames
gbak:Exiting before completion due to errors
sh: 2: /mnt/storage/testy/simplemarketing.gdb: not found
sh: 3: .gbk: not found
Gotowa kopia bazy simplemarketing.gdb

[download]
It looks like the ./gbak command from Firebird binaries don`t reads the variables correctly. By hand this command looks: 
./gbak -user sysdba -password masterkey -BACKUP_DATABASE localhost:/op
+t/databases/demo.gdb /mnt/storage/testy/demo.gdb.gbk

[download]
and works without problems. In my script: /opt/dabasaes/ comes from $bazy demo.gdb - database filename should be inserted by $_ from table @files destination dir /mnt/storage/testy/ should be inserted by $localdir and extended by .gbk file extension. But from perl script this command don`t work....

In reply to Re^2: Firebird databases backup script by Mery84
in thread Firebird databases backup script by Mery84

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