--help

Colocando este flag en cualquier lugar de la linea de comandos, lo único que se hace es mostrar la ayuda en linea tal como si solo ejecutáramos el comando sin otros parámetros.

$ reveal --help   
usage: reveal [<flags>] [<path>...]

A command-line application to find potential PAN numbers in files and directories.

Flags:
      --help              Show context-sensitive help (also try --help-long and --help-man).
  -v, --verbose           Add verbosity to the output
  -l, --pan-length=0      BIN length to consider (must be 16 or 19, or 0 for both)
  -b, --bin-length=6      Minimum BIN length to consider (0 to 8) - Default: 6
  -d, --delimited         Only consider PANs that are delimited by non numeric characters
  -p, --print             Print the lines containing possible PANs
  -P, --print-extended    Print the lines containing possible PANs with context (like -p -c)
  -s, --summary           Show a summary of findings on each file
  -S, --summary-extended  Show a summary of findings on each file with more information
  -t, --totals            Only display summary totals when processing sevaral files
  -c, --condensed         Print results in a condensed format (like a table) This is the default output format
      --paranoid          Consider all possible card numbers (ignoring BIN lists, just check Luhn)
      --distance=50       Confidence distance, is the max distance between keywords and the PAN (default: 50)
      --parallel          Perform search in parallel (optimized search with several files)
  -i, --interactive       Process results interactively in a TUI
      --nowhitelist       Do not use a whitelist file even if it exists
  -x, --export            Exports the results as an Excel file
  -e, --excel             Include Excel files in the search
  -E, --ignore            Exclude Excel files in the search when using the --massive option
  -w, --write             Write findings to a file
  -m, --massive           Perform a MASSIVE search, for huge volumes of files
      --limit=LIMIT       Limit the number of parallel processes. Default is the number of processors. It can be even a greater value
      --xmax=XMAX         Max size for Excel files to process in Mb (default 10)

Args:
  [<path>]  Files or directories to process.

La sola presencia de este flag hace que se ignore el resto de parámetros de la línea de comandos, por lo que es útil si queremos buscar un flag que no recordamos cómo funciona, sin tener que volver a escribir nuevamente todo el comand (basta con agregar este flag al final de la línea, y luego quitarlo)

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