wc 命令
命令简介:
简单小巧的计数工具,wc命令用于统计并输出一个文件中行、单词和字节的数目.
Usage: wc [OPTION]... [FILE]...
or: wc [OPTION]... --files0-from=F
Print newline, word, and byte 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. A word is a non-zero-length sequence of characters
delimited by white space.
The options below may be used to select which counts are printed, always in
the following order: newline, word, character, byte, maximum line length.
-c, --bytes print the byte counts
统计字节数
-m, --chars print the character counts
统计字符数
-l, --lines print the newline counts
统计行数
--files0-from=F read input from the files specified by
NUL-terminated names in file F;
If F is - then read names from standard input
-L, --max-line-length print the length of the longest line
-w, --words print the word counts
统计单词数
--help display this help and exit
--version output version information and exit
