usage: fpg [options] 'EXP' [file...]
   or: fpg [options] -Q file...
options: -r        recursively scan through directories
         -i        ignore case
         -v        print only lines that do NOT match
         -s        verbose scanning/searching
         -n        prefix with line number
         -l        list filename only
         -L        list filename only that do NOT match
         -p        show paragraphs, not lines (multiline record separator)
         -M        mail-mode: search and show complete mails from mbox files
         -c        print (count) only number of matches (NOT LINES!)
         -F        EXP is a string, not a Perl regular expression
         -e        EXP is any perl expression which returns TRUE/FALSE
         -S #      minimum string length # for binary files, default: 4
         -C #      # lines of context
         -R 'RS'   record separator, default: newline (\n) if not set -p
         -x 'exp'  extra regexp for highlighting (not used for searching)
         -X 'exp'  exclude files (filename matching this regexp) when searching
         -~        search in backup files *~ #*#, too
         -Q        query-loop-prompt for search expression
arguments: EXP     is a Perl regular expression
           file... can be one or more files, even binary or compressed ones