Add readStandardInput helper

2 files changed, 17 insertions, 0 deletions

diff --git a/libdevcore/CommonIO.cpp b/libdevcore/CommonIO.cpp
index eb7af83e..8c7e08f6 100644
--- a/libdevcore/CommonIO.cpp
+++ b/libdevcore/CommonIO.cpp
@@ -66,6 +66,20 @@ string dev::readFileAsString(string const& _file)
 	return readFile<string>(_file);
 }
 
+string dev::readStandardInput()
+{
+	string ret;
+	while (!cin.eof())
+	{
+		string tmp;
+		// NOTE: this will read until EOF or NL
+		getline(cin, tmp);
+		ret.append(tmp);
+		ret.append("\n");
+	}
+	return ret;
+}
+
 void dev::writeFile(std::string const& _file, bytesConstRef _data, bool _writeDeleteRename)
 {
 	namespace fs = boost::filesystem;
diff --git a/libdevcore/CommonIO.h b/libdevcore/CommonIO.h
index 0c702818..33769ec3 100644
--- a/libdevcore/CommonIO.h
+++ b/libdevcore/CommonIO.h
@@ -34,6 +34,9 @@ namespace dev
 /// If the file doesn't exist or isn't readable, returns an empty container / bytes.
 std::string readFileAsString(std::string const& _file);
 
+/// Retrieve and returns the contents of standard input (until EOF).
+std::string readStandardInput();
+
 /// Write the given binary data into the given file, replacing the file if it pre-exists.
 /// Throws exception on error.
 /// @param _writeDeleteRename useful not to lose any data: If set, first writes to another file in