如何使用gifsicle和exec在bash中压缩gif？

Question

现在，我正在尝试使用这样的gifsicle来压缩文件夹中的所有gif图像：

find . -name '*.gif' -exec gifsicle -O '{}' \;

但我得到以下输出（错误）

gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/static/img/loading.gif' frame #10:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/static/img/ajax-loader.gif' frame #8:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/static/img/ui/Loader.gif' frame #10:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/static/img/ui/LoaderPeque.gif' frame #31:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/static/img/ui/preloader/ajax-loader-blue.gif' frame #4:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/static/img/ui/preloader/ajax-loader-green.gif' frame #8:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/static/img/ui/preloader/spinner_squares_circle.gif' frame #8:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/production/img/loading.gif' frame #10:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/production/img/ajax-loader.gif' frame #8:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/production/img/ui/Loader.gif' frame #10:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/production/img/ui/LoaderPeque.gif' frame #31:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/production/img/ui/preloader/ajax-loader-blue.gif' frame #4:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/production/img/ui/preloader/ajax-loader-green.gif' frame #8:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal
gifsicle: While reading './4dlife/src/production/img/ui/preloader/spinner_squares_circle.gif' frame #8:
gifsicle:   warning: trailing garbage after GIF ignored
gifsicle: <stdout>: is a terminal

我尝试过使用各种其他选项，如-O2或-O3或--optimize，但仍然没有运气。有什么建议吗？

Answer 1

gifsicle抱怨，因为它不想将已处理的gif写入终端。您必须将标准输出重定向到新文件，或者让gifsicle与--batch一起使用。

find . -name '*.gif' -exec gifsicle -O '{}' > optimized_'{}' \;

或

find . -name '*.gif' -exec gifsicle --batch -O '{}' \;