+application/x-perl; pod2text --color '%s' | less; needsterminal
+image/gif; sxiv '%s'; test=test -n "$DISPLAY"
+image/jpeg; sxiv '%s'; test=test -n "$DISPLAY"
+image/jxl; sxiv '%s'; test=test -n "$DISPLAY"
+image/png; sxiv '%s'; test=test -n "$DISPLAY"
+image/tiff; sxiv '%s'; test=test -n "$DISPLAY"
+image/webp; sxiv '%s'; test=test -n "$DISPLAY"
+image/x-djvu; zat '%s'; test=test -n "$DISPLAY"
+image/x-portable-anymap; sxiv '%s'; test=test -n "$DISPLAY"
+image/x-portable-arbitrarymap; sxiv '%s'; test=test -n "$DISPLAY"
+image/x-portable-bitmap; sxiv '%s'; test=test -n "$DISPLAY"
+image/x-portable-floatmap; sxiv '%s'; test=test -n "$DISPLAY"
+image/x-portable-graymap; sxiv '%s'; test=test -n "$DISPLAY"
+image/x-portable-pixmap; sxiv '%s'; test=test -n "$DISPLAY"
+image/x-xpixmap; sxiv '%s'; test=test -n "$DISPLAY"