dired-guess-shell-alist-default

dired-guess-shell-alist-default is a variable defined in `dired-x.el'.
Its value is shown below.

Documentation:
Default alist used for shell command guessing.
See `dired-guess-shell-alist-user'.

Value:

(("\\.tar\\'"
  (if dired-guess-shell-gnutar
      (concat dired-guess-shell-gnutar " xvf")
    "tar xvf")
  (if dired-guess-shell-gnutar
      (concat "mkdir "
	      (file-name-sans-extension file)
	      "; " dired-guess-shell-gnutar " -C "
	      (file-name-sans-extension file)
	      " -xvf")
    (concat "mkdir "
	    (file-name-sans-extension file)
	    "; tar -C "
	    (file-name-sans-extension file)
	    " -xvf"))
  (if dired-guess-shell-gnutar
      (concat dired-guess-shell-gnutar " tvf")
    "tar tvf"))
 ("\\.tar\\.Z\\'"
  (if dired-guess-shell-gnutar
      (concat dired-guess-shell-gnutar " zxvf")
    (concat "zcat * | tar xvf -"))
  (concat "znew"
	  (if dired-guess-shell-gzip-quiet " -q")
	  " " dired-guess-shell-znew-switches))
 ("\\.t\\(ar\\.\\)?gz\\'"
  (if dired-guess-shell-gnutar
      (concat dired-guess-shell-gnutar " zxvf")
    (concat "gunzip -qc * | tar xvf -"))
  (if dired-guess-shell-gnutar
      (concat "mkdir "
	      (file-name-sans-extension file)
	      "; " dired-guess-shell-gnutar " -C "
	      (file-name-sans-extension file)
	      " -zxvf")
    (concat "mkdir "
	    (file-name-sans-extension file)
	    "; gunzip -qc * | tar -C "
	    (file-name-sans-extension file)
	    " -xvf -"))
  (concat "gunzip"
	  (if dired-guess-shell-gzip-quiet " -q" ""))
  (if dired-guess-shell-gnutar
      (concat dired-guess-shell-gnutar " ztvf")
    (concat "gunzip -qc * | tar tvf -")))
 ("\\.t\\(ar\\.bz2\\|bz\\)\\'" "bunzip2 -c * | tar xvf -"
  (concat "mkdir "
	  (file-name-sans-extension file)
	  "; bunzip2 -c * | tar -C "
	  (file-name-sans-extension file)
	  " -xvf -")
  "bunzip2")
 ("\\.t\\(ar\\.\\)?xz\\'" "unxz -c * | tar xvf -"
  (concat "mkdir "
	  (file-name-sans-extension file)
	  "; unxz -c * | tar -C "
	  (file-name-sans-extension file)
	  " -xvf -")
  "unxz")
 ("\\.shar\\.Z\\'" "zcat * | unshar")
 ("\\.shar\\.g?z\\'" "gunzip -qc * | unshar")
 ("\\.e?ps\\'" "ghostview" "xloadimage" "lpr")
 ("\\.e?ps\\.g?z\\'" "gunzip -qc * | ghostview -"
  (concat "gunzip"
	  (if dired-guess-shell-gzip-quiet " -q")))
 ("\\.e?ps\\.Z\\'" "zcat * | ghostview -"
  (concat "znew"
	  (if dired-guess-shell-gzip-quiet " -q")
	  " " dired-guess-shell-znew-switches))
 ("\\.patch\\'" "cat * | patch")
 ("\\.patch\\.g?z\\'" "gunzip -qc * | patch"
  (concat "gunzip"
	  (if dired-guess-shell-gzip-quiet " -q")))
 ("\\.patch\\.Z\\'" "zcat * | patch"
  (concat "znew"
	  (if dired-guess-shell-gzip-quiet " -q")
	  " " dired-guess-shell-znew-switches))
 ("\\.\\(?:[0-9]\\|man\\)\\'"
  (let
      ((loc
	(Man-support-local-filenames)))
    (cond
     ((eq loc 'man-db)
      "man -l")
     ((eq loc 'man)
      "man ./")
     (t "cat * | tbl | nroff -man -h | col -b"))))
 ("\\.\\(?:[0-9]\\|man\\)\\.g?z\\'"
  (let
      ((loc
	(Man-support-local-filenames)))
    (cond
     ((eq loc 'man-db)
      "man -l")
     ((eq loc 'man)
      "man ./")
     (t "gunzip -qc * | tbl | nroff -man -h | col -b")))
  (concat "gunzip"
	  (if dired-guess-shell-gzip-quiet " -q")))
 ("\\.[0-9]\\.Z\\'"
  (let
      ((loc
	(Man-support-local-filenames)))
    (cond
     ((eq loc 'man-db)
      "man -l")
     ((eq loc 'man)
      "man ./")
     (t "zcat * | tbl | nroff -man -h | col -b")))
  (concat "znew"
	  (if dired-guess-shell-gzip-quiet " -q")
	  " " dired-guess-shell-znew-switches))
 ("\\.pod\\'" "perldoc" "pod2man * | nroff -man")
 ("\\.dvi\\'" "xdvi" "dvips")
 ("\\.au\\'" "play")
 ("\\.mpe?g\\'\\|\\.avi\\'" "xine -p")
 ("\\.ogg\\'" "ogg123")
 ("\\.mp3\\'" "mpg123")
 ("\\.wav\\'" "play")
 ("\\.uu\\'" "uudecode")
 ("\\.hqx\\'" "mcvert")
 ("\\.sh\\'" "sh")
 ("\\.xbm\\'" "bitmap")
 ("\\.gp\\'" "gnuplot")
 ("\\.p[bgpn]m\\'" "xloadimage")
 ("\\.gif\\'" "xloadimage")
 ("\\.tif\\'" "xloadimage")
 ("\\.png\\'" "display")
 ("\\.jpe?g\\'" "xloadimage")
 ("\\.fig\\'" "xfig")
 ("\\.out\\'" "xgraph")
 ("\\.tex\\'" "latex" "tex")
 ("\\.texi\\(nfo\\)?\\'" "makeinfo" "texi2dvi")
 ("\\.pdf\\'" "xpdf")
 ("\\.doc\\'" "antiword" "strings")
 ("\\.rpm\\'" "rpm -qilp" "rpm -ivh")
 ("\\.dia\\'" "dia")
 ("\\.mgp\\'" "mgp")
 ("\\.zip\\'" "unzip" "unzip -l"
  (concat "unzip"
	  (if dired-guess-shell-gzip-quiet " -q")
	  " -d "
	  (file-name-sans-extension file)))
 ("\\.zoo\\'" "zoo x//")
 ("\\.lzh\\'" "lharc x")
 ("\\.arc\\'" "arc x")
 ("\\.shar\\'" "unshar")
 ("\\.rar\\'" "unrar x")
 ("\\.7z\\'" "7z x")
 ("\\.g?z\\'"
  (concat "gunzip"
	  (if dired-guess-shell-gzip-quiet " -q")))
 ("\\.dz\\'" "dictunzip")
 ("\\.bz2\\'" "bunzip2")
 ("\\.xz\\'" "unxz")
 ("\\.Z\\'" "uncompress"
  (concat "znew"
	  (if dired-guess-shell-gzip-quiet " -q")
	  " " dired-guess-shell-znew-switches))
 ("\\.sign?\\'" "gpg --verify"))