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修复 ls 命令错误示例 (#337)
应该为`ls *.jpg | xargs -n1 -I{} cp {} /data/images`
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command/xargs.md

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@@ -102,7 +102,7 @@ cat arg.txt | xargs -I {} ./sk.sh -p {} -l
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复制所有图片文件到 /data/images 目录下:
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```shell
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ls *.jpg | xargs -n1 -I cp {} /data/images
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ls *.jpg | xargs -n1 -I{} cp {} /data/images
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```
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#### 结合 find 命令使用

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