1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
#include <string>
#include "../libpcre++/pcre++.h"
using namespace std;
using namespace pcrepp;
void usage();
int main(int argc, char *argv[]) {
if(argc <2)
usage();
else {
string search = argv[1];
Pcre expression(search, PCRE_GLOBAL | PCRE_CASELESS);
string input;
cout << "> ";
while(getline(cin, input)) {
if(expression.search(input) == true)
cout << "true" << endl;
else
cout << "false" << endl;
cout << "> ";
}
}
return true;
}
void usage() {
cout << endl
<< "Usage: search <search-for>\n"
<< "search must be a regular expression.\n"
<< "Every line on STDIN will then searched\n"
<< "for 'search-for'. If a match is found,\n"
<< "'true' will be printed, 'false' otherwise." << endl;
exit(-1);
}
|
