Linux下如何统计文件数目

若只是查看当前目录下的文件数目（除开.和..文件),使用下面的命令：

$ find ./ -type f | wc -l

若查看当前目录下面的所有文件，含.和..使用如下命令即可：

$wc -l

ps：find command and wc command



1、FIND命令

NAME

find - search for files in a directory hierarchy

SYNOPSIS

find [path...] [expression]

DESCRIPTION

This manual page documents the GNU version of
find. find searches the

directory tree rooted at each given file name by
evaluating the given

expression from
left to right, according to the
rules of precedence

(see section OPERATORS), until the outcome is known (the left hand
side

is false for and operations, true for or), at which point find
moves on

to the next file name.

The first argument that begins with `-', `(', `)', `,', or `!' is
taken

to be the
beginning of the expression;
any arguments before it are

paths to search, and any arguments after it are the rest of the
expres-

sion. If
no paths are given, the current
directory is used. If no

expression is given, the expression `-print' is used.

find exits with status 0 if
all files are
processed successfully,

greater than 0 if errors occur.

OPTIONS

All options always return
true. They always take effect, rather than

being processed only when their place in
the expression
is reached.

Therefore, for
clarity, it is best to place them at the
beginning of

the expression.

-daystart

Measure times (for -amin,
-atime, -cmin,
-ctime, -mmin, and

-mtime) from
the beginning of today rather than from 24
hours

ago.

-depth Process each directory's contents before the directory
itself.

-follow

Dereference symbolic links. Implies -noleaf.

-help, --help

Print a summary of the command-line usage of find and exit.

-maxdepth levels

Descend at most levels (a non-negative integer) levels of
direc-

tories below
the command line arguments.
`-maxdepth 0' means

only apply the tests and actions to the command
line arguments.

-mindepth levels

Do not apply any tests or actions at levels less
than levels (a

non-negative integer). `-mindepth 1'
means process
all files

except the command line arguments.

-mount Don't descend
directories on other
filesystems. An alternate

name for -xdev, for compatibility with some
other versions of

find.

-noleaf

Do not
optimize by assuming that
directories contain 2 fewer

subdirectories than their hard
link count.
This option is

needed when
searching filesystems that do not follow the
Unix

directory-link convention, such as CD-ROM or
MS-DOS filesystems

or AFS volume
mount points. Each directory on
a normal Unix

filesystem has at least 2 hard
links: its
name and its
`.'

entry.
Additionally, its
subdirectories (if any) each have a

`..' entry linked to that
directory. When find is
examining a

directory, after it has statted 2 fewer
subdirectories than the

directory's link count, it knows that the rest of the entries
in

the directory are non-directories (`leaf' files in the
directory

tree). If only the files' names need to be
examined, there is

no need to
stat them;
this gives a significant increase in

search speed.

-version, --version

Print the find version number and exit.

-xdev Don't descend directories on other
filesystems.

2、WC命令

wc - print the number of bytes, words, and lines in files

SYNOPSIS

wc [OPTION]... [FILE]...

DESCRIPTION

Print byte, word, and newline counts for each FILE, and a total
line if

more than one FILE is specified. With no FILE, or
when FILE is -, read

standard input.

-c, --bytes

print the byte counts

-m, --chars

print the character counts

-l, --lines

print the newline counts

-L, --max-line-length

print the length of the longest line

-w, --words

print the word counts

--help display this help and exit

--version

output version information and exit