本文介绍如何在Linux系统中使用命令行工具计算当前目录下的文件数量。具体操作为：先使用ls命令列出所有文件，然后通过管道传递给wc命令并使用-l选项来计数。需要注意的是，此方法会将当前目录也作为一个文件计数，因此最终结果需要减一才能得到准确的文件数量。
http://techgurulive.com/2009/08/09/how-to-count-files-in-the-current-directory-in-linux/
reference as above
ls -l |wc -l
CAUTION, the link of current foler also as a file ,so as common sense,the result
you should minus one ,that's you want
reference as above
ls -l |wc -l
CAUTION, the link of current foler also as a file ,so as common sense,the result
you should minus one ,that's you want
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