You can turn off a short option ‘-X’ by saying ‘+X’ instead. Many options also have a converse, ‘-no-option’, which turns off the option. But be careful with options that do take arguments: ‘-cblah’ means ‘-c blah’, not ‘-c -b -l -a -h’. You can combine short options if they don’t take arguments: ‘-IIb’ is the same as ‘-I -I -b’. Some options also have a short form, ‘-X’. You don’t need to type the whole long descriptive name, just enough to make it unambiguous. Gifsicle exits with status 0 if there were no errors and status 1 otherwise.Įvery option has a long form, ‘-long-descriptive-name’. If no GIF input file is given, or you give the special filename ‘-’, it reads from the standard input. Gifsicle reads and processes GIF input files in order. Most options start with a dash (-) or plus (+) frame selections, a kind of option, start with a number sign (#). Gifsicle’s command line consists of GIF input files and options. New users may want to skip to the Examples section at the end.Ĭoncepts are on the left, relevant gifsicle options are on the right. To interlace all the GIFs in the current directory, you could say: With -batch, gifsicle will modify the files you specify instead of writing a new file to the standard output. To modify GIF files in place, use the -batch option. Use options like -delay, -loopcount, and -optimize to tune your animations. ![]() Gifsicle pic1.gif pic2.gif pic3.gif > animation.gif By default, it combines two or more input files into a “flipbook” animation: Gifsicle is good at creating and manipulating GIF animations. The -i option, for example, tells gifsicle to interlace its inputs: Gifsicle normally processes input GIF files according to its command line options and writes the result to the standard output. Gifsicle is a powerful command-line program for creating, editing, manipulating, and getting information about GIF images and animations.
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