Full_Name: Norbert Klasen Version: head + 2.0.23 OS: SuSE Linux 7.3 URL: Submission from: (NULL) (134.2.3.103) The description of the '-f' option is the one from ldapsearch: -f file Read a series of lines from file, performing one LDAP search for each line. In this case, the filter given on the command line is treated as a pattern where the first occurrence of %s is replaced with a line from file.