From e9c5ab91e36e36e4d97b7310b89638f33b1e268a Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Sun, 4 Oct 2020 10:19:52 +0200
Subject: benutze die Argumente der Kommandozeile als Schlüssel...
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---
 src/srcut.cpp | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

(limited to 'src/srcut.cpp')

diff --git a/src/srcut.cpp b/src/srcut.cpp
index 6df435b..0e5654a 100644
--- a/src/srcut.cpp
+++ b/src/srcut.cpp
@@ -83,26 +83,31 @@ operator>>(istream& in, map<string, vector<string>>& container)
 }
 
 ostream&
-operator<<(ostream& os, const map<string, vector<string>>& container)
+print(ostream& os, const string& key, const map<string, vector<string>>& container)
 {
-	for ( const auto& chunk: container ) {
-		os << "CHUNK: " << chunk.first << '\n';
-		auto line = begin(chunk.second);
-		while ( line != end(chunk.second) ) {
+	const auto it = container.find(key);
+	if ( it != container.end() ) {
+		auto line = begin(it->second);
+		while ( line != end(it->second) ) {
 			os << *line << '\n';
 
 			++line;
 		}
-		os << "-------\n\n";
+	}
+	else {
+		os << "ERROR: " << key << " not found!" << endl;
 	}
 	return os;
 }
 
 int
-main(void)
+main(int argc, char* argv[])
 {
 	map<string, vector<string>> container;
 
 	cin >> container;
-	cout << container;
+
+	for ( int i = 1; i < argc; ++i ) {
+		print(cout, argv[i], container);
+	}
 }
-- 
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