有三种方法:
1.
grep -o '字符串' file | wc -l
2.
awk -v RS="@#$j" '{print gsub(/字符串/,"&")}' file
3.
awk '{s+=gsub(/字符串/,"&")}END{print s}' file
有三种方法:
1.
grep -o '字符串' file | wc -l
2.
awk -v RS="@#$j" '{print gsub(/字符串/,"&")}' file
3.
awk '{s+=gsub(/字符串/,"&")}END{print s}' file