pxart flip

flip FILE [-o OUT] [--v]

usage: pxart flip [-h] [-o O] [--v] [--replace] [--dry-run] file

  flip FILE [-o OUT] [--v]          mirror selected frames left-right (--v: top-bottom)

positional arguments:
  file

options:
  -h, --help  show this help message and exit
  -o O        OUT, or FILE:NEWGROUP to flip a copy of FILE:GROUP (dup GROUP NEWGROUP, then flip it)
  --v
  --replace   with -o FILE:NEWGROUP: NEWGROUP's frames go first, and the copy takes their place
  --dry-run   print what the edit says and a diff of the file it would change; write nothing

      'flip hero.px:walk/left -o hero.px:walk/right' flips a copy (--replace: over its frames).

See also, in pxart help all: FORMAT: pivots and timing (pivot=x,y, direction, repeat, ms);
  EDITING (-o OUT gets the whole file, only changed lines are rewritten, 'no change');
  FORMAT: selecting frames (FILE:SEL, an unnamed grid's name, zsh's "${F}:sel").

pxart help all has the whole reference, pxart help TOPIC one part of it.

This is the output of pxart help flip. The other editing commands and their shared notes are in pxart help EDITING.