方法一:
$ grep -o ‘keywords‘ < file | wc -l
方法二:
$ cat file | grep ‘keywords‘ | wc -l
eg:统计反斜线/出现的次数
$ echo "/home/ubu/Music/liu138/WorkReport/VENUS/vimjava.class.templet" | grep -o / | wc -l
说明:
-o, Print only the matched (non-empty) parts of a matching line, with each such part on a separate output line.
时间: 2024-08-01 10:45:07