Linux使用wc来统计行数真的好用
如在当前路径下统计一共多少行代码
$ find ./ -name *.c |xargs wc -l #包括了空行
##-l ：lines
如果不包括空行
￥find -name *.c | xargs grep -v ^$| wc -l
#
# 输出除之外的所有行 -v 选项：
# grep -v "match_pattern" file_name
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WC(1) User Commands WC(1)
NAME
wc - print newline, word, and byte counts for each file
SYNOPSIS
wc [OPTION]... [FILE]...
wc [OPTION]... --files0-from=F
DESCRIPTION
Print newline, word, and byte counts for each FILE, and a total line if more than one FILE is specified. A word is a non-zero-length
sequence of characters delimited by white space.
With no FILE, or when FILE is -, read standard input.
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
-m, --chars
print the character counts
-l, --lines
print the newline counts
--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 maximum display width
-w, --words
print the word counts
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Paul Rubin and David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report wc translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright © 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
Full documentation at: <http://www.gnu.org/software/coreutils/wc>
or available locally via: info '(coreutils) wc invocation'