UNIX for Dummies Questions & Answers

should be the simplest thing in the world use grep

but i not get it
i have several files, in this files i need to khow how many times the words are repeated but the files must star whit P_

this work
egrep -c "word1|word2" *P_*

result:
P_11351814:1
P_11351823:3
P_11351826:1
P_11351842:5

but how to add the results? to get 10....

Code:

egrep -c "word1|word2" P_* | awk -F\: '{s+=$2}END{print s}'

WORK!!!!


thank you for quick response