$ gem install kv

# View [FILE]
$ kv [OPTIONS] [FILE]

# View [URI] source code
$ kv [URI]

# View results of [CMD]
$ [CMD] | kv [OPTIONS]

# View command help
$ kv --help

Usage: kv [options]
    -f                               following mode like "tail -f"
    -n, --line-number LINE           goto LINE
    -N                               Show lines
    -T, --time-stamp                 Enable time stamp
    -e CMD                           Run CMD as a child process
    -p, --pipe                       Open named pipe
    -s                               Separation mode (tsv)
    -w                               Watch mode: Reload on file changed
        --filter-command=FILTER_COMMAND
                                     Apply filter command

kv: A pager by Ruby Command list

  ?: show the help message
  q: quit

  # Moving
  k, j, [UP], [DOWN]:           move cursor (y)
  h, l, [LEFT], [RIGTH]:        move cursor (x)
  Ctrl-U, [PAGE UP]:            page up
  Ctrl-D, [PAGE DOWN], [SPACE]: page down

  g: Goto first line
  G: Goto last line (current last line)
  \d+: Goto specified line

  # Loading
  You can load a huge file or infinite input from a pipe.
  10,000 lines ahead current line will be loaded.
  If you want to load further lines the follwoing commands will help you.

  F: Load remaining data or monitor a specified file and scroll forward.
     Pushing any keys stops loading.
     If a search string (specified by commadn "/") is specified,
     stop scroll if the further input lines contains the string.

  L: Toggle unlimited input mode

  # Searching
  /: search
    When you enter a search string, you can choose
    the following mode by Control key combination:
      Ctrl-R: toggle Regexp mode (Ruby's regexp)
      Ctrl-I: toggle ignore case mode
    To clear search string, research with an empty string.
  n: search next
  p: search preview
  f: filter mode (show only matched lines)

  # Output
  s: Save screen buffer to file
  P: gist -p

  # Child process
  You can run child process using -e command line option like -e CMD
  and you can send a meesage to the child process with x command.

  x: send a message to the child process

  # Modes
  N: toggle line mode
  T: toggle time stamp mode
  m: toggle mouse mode
  t: terminal (REPL) mode
  v: vi ("vi filename +[LINE]")
  H: show HTTP response header