linux--more practical shell commands

1) Count the number of rows in the index.php file in the current directory

[[email protected]_web1 ~]# cat index.php |wc -l17

2) Statistics web directory, JS file number:

[[email protected]_web1 ~]# find web/ -name "*.js" |wc -l

3) Statistics web directory of all JS file code lines:

[[email protected]_web1 ~]# find web/ -name "*.js" |xargs cat|wc -l 或 wc -l `find web/ -name "*.js"`|tail -n1

4) Statistics web directory of all JS file code lines, filtered blank line:
' [[email protected]_web1 ~]# Find web/-name ' *.js ' |xargs cat|grep-v ^$|wc-l '

5) Count all the JS file code lines in the Web directory. Filter comment Lines
[[email protected]_web1 ~]# find web/ -name "*.js" |xargs cat|grep -v -e ^$ -e ^\s*\/\/.*$|wc -l

linux--more practical shell commands