old c,cc examples

1 files changed, 23 insertions, 0 deletions

diff --git a/c,cc/substr.cc b/c,cc/substr.cc
new file mode 100644
index 0000000..9a91adc
--- /dev/null
+++ b/c,cc/substr.cc
@@ -0,0 +1,23 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+
+int main(void)
+{
+  //        0 12 34 56
+  string s("aaax\tbx\tcxasd\tdx");
+  unsigned f = 0;
+  for(unsigned i = 0; i < 3; i++) {
+    unsigned e = f;
+    f = s.find("\t", f+1);
+    cout << "e:" << e << " f:" << f << endl;
+    if (e !=0) cout << "'" << s.substr(e+1, f-e-1) << "'" << endl;
+    else cout << "'" << s.substr(0, f) << "'" << endl;
+  }
+  cout << "---" << endl;
+  s.erase(0, f+1);
+  cout << "'" << s << "'" <<endl;
+}
+