{eval=Array;=+count(Array);}
使用file命令加文件名
会显示文件属性
man file
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NAME
file — determine file type
SYNOPSIS
file [-bchiklLNnprsvz0] [--apple] [--mime-encoding] [--mime-type] [-e testname] [-F separator] [-f namefile] [-m magicfiles] file ...
file -C [-m magicfiles]
file [--help]
DESCRIPTION
This manual page documents version 5.11 of the file command.
file tests each argument in an attempt to classify it. There are three sets of tests, performed in this order: filesystem tests, magic tests, and language tests. The first test
that succeeds causes the file type to be printed.
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