X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=examples%2Fgrep.cpp;fp=examples%2Fgrep.cpp;h=c87ee72171615ec8056adcf687f8f0e74d78b621;hp=0000000000000000000000000000000000000000;hb=628d762fbfd512aedde6f313f66594291dad4eb1;hpb=e240e074ce15c17d644e378067c2941aefcd5611

diff --git a/examples/grep.cpp b/examples/grep.cpp
new file mode 100644
index 0000000..c87ee72
--- /dev/null
+++ b/examples/grep.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+#include <string>
+#include <msp/core/getopt.h>
+#include <msp/strings/regex.h>
+
+using namespace std;
+using namespace Msp;
+
+int main(int argc, char **argv)
+{
+	bool debug = false;
+	GetOpt getopt;
+	getopt.add_option('d', "debug", debug, GetOpt::NO_ARG);
+	getopt(argc, argv);
+
+	const vector<string> &args = getopt.get_args();
+
+	if(args.empty())
+	{
+		cerr<<"Usage: "<<argv[0]<<" <regex>\n";
+		return 1;
+	}
+
+	Regex regex(args[0]);
+	if(debug)
+		cout<<regex.disassemble();
+	string line;
+	while(getline(cin, line))
+	{
+		if(RegMatch match = regex.match(line))
+			cout<<line<<'\n';
+	}
+
+	return 0;
+}