.IP "\fB-s <pattern separator>\fP" 10
specify the symbol to separate the substrings in the search pattern
.IP "\fB-x <label separator>\fP" 10
.IP "\fB-s <pattern separator>\fP" 10
specify the symbol to separate the substrings in the search pattern
.IP "\fB-x <label separator>\fP" 10
.IP "\fB-l <max number of lines>\fP" 10
specify the maximum number of lines to take into account
.IP "\fB-f <input filename>\fP" 10
.IP "\fB-l <max number of lines>\fP" 10
specify the maximum number of lines to take into account
.IP "\fB-f <input filename>\fP" 10