3 files changed, 110 insertions, 0 deletions
diff --git a/challenge-110/ulrich-rieke/awk/ch-2.awk b/challenge-110/ulrich-rieke/awk/ch-2.awk
new file mode 100644
index 0000000000..fe97552ee1
--- /dev/null
+++ b/challenge-110/ulrich-rieke/awk/ch-2.awk
@@ -0,0 +1,18 @@
+BEGIN {
+  FS = ","
+}
+{
+  for (i = 1 ; i <= NF ; i = i + 1 ) {
+      if ( length( rows[ i ] ) == 0 ) {
+    rows[ i ] =  $i
+      }
+      else {
+    rows[ i ] = rows[ i ] "," $i
+      }
+  }
+}
+END {
+  for (i = 1 ; i <= NF ; i = i + 1 ) {
+      print rows[i]
+  }
+}
diff --git a/challenge-110/ulrich-rieke/cpp/ch-1.cpp b/challenge-110/ulrich-rieke/cpp/ch-1.cpp
new file mode 100644
index 0000000000..173a01075e
--- /dev/null
+++ b/challenge-110/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,31 @@
+#include <iostream>
+#include <string>
+#include <regex>
+#include <fstream>
+#include <vector>
+
+int main( int argc, char * argv[] ) {
+  if ( argc != 2 ) {
+      std::cerr << "Error! syntax challenge110 <inputfile>!\n" ;
+      return 1 ;
+  }
+  const char* const infile = argv[1] ;
+  std::ifstream myIn( infile , std::ios_base::in ) ;
+  if ( ! myIn.is_open( ) ) {
+      std::cerr << "error opening " << infile << '\n' ;
+      return 2 ;
+  }
+  std::vector<std::string> validLines ;
+  std::string regexstr(R"((\s*\+\d{2}|\(\d{2}\)|\d{4})\s\d{10})") ;
+  std::regex rgx( regexstr ) ;
+  while ( myIn ) {
+      std::string line ;
+      std::getline( myIn , line ) ;
+      if ( std::regex_search( line , rgx ) )
+    validLines.push_back( line ) ;
+  }
+  myIn.close( ) ;
+  for ( auto s : validLines )
+      std::cout << s << std::endl ;
+  return 0 ;
+}
diff --git a/challenge-110/ulrich-rieke/cpp/ch-2.cpp b/challenge-110/ulrich-rieke/cpp/ch-2.cpp
new file mode 100644
index 0000000000..75f2e8cac2
--- /dev/null
+++ b/challenge-110/ulrich-rieke/cpp/ch-2.cpp
@@ -0,0 +1,61 @@
+#include <iostream>
+#include <string>
+#include <fstream>
+#include <vector>
+
+std::vector<std::string> splitString( const std::string & word, char
+      separator ) {
+  std::vector<std::string> parts ;
+  std::string::size_type last_found = 0 ;
+  std::string::size_type pos = word.find_first_of( separator , last_found ) ;
+  while ( pos != std::string::npos ) {
+      parts.push_back( word.substr(last_found , pos - last_found)) ;
+      last_found = pos + 1 ;
+      pos = word.find_first_of( separator, last_found ) ;
+  }
+  parts.push_back( word.substr( last_found ) ) ;
+  return parts ;
+}
+
+int main( int argc, char * argv[] ) {
+  if ( argc != 2 ) {
+      std::cerr << "Error! syntax: challenge110_2 <source file>!\n" ;
+      return 1 ;
+  }
+  const char * const infile = argv[ 1 ] ;
+  std::ifstream myIn( infile , std::ios_base::in ) ;
+  if ( ! myIn.is_open( )) {
+      std::cerr << "cannot open file " << argv[1] << "!\n" ;
+      return 2 ;
+  }
+  std::vector<std::string> partsInLine ;
+  std::vector<std::string> allWords ;
+  std::string line ;
+  int fields = 0 ;
+  while ( myIn ) {
+      std::getline( myIn , line ) ;
+      partsInLine = splitString( line , ',' ) ;
+      if ( ! line.empty( ) ) {
+    fields = partsInLine.size( ) ;
+    for ( auto s : partsInLine )
+        allWords.push_back( s ) ;
+      }
+  }
+  myIn.close( ) ;
+  std::vector<std::string> myOut ;
+  for ( int start = 0 ; start < fields ; start++ ) {
+      myOut.clear( ) ;
+      myOut.push_back( allWords[ start ] ) ;
+      for ( int jumpTo = start + fields ; jumpTo < allWords.size( ) ; jumpTo += fields )
+    myOut.push_back( allWords[ jumpTo ] ) ;
+      int count = 0 ;
+      for ( auto s : myOut ) {
+    std::cout << s ;
+    if ( count < myOut.size( ) - 1 )
+        std::cout << ", " ;
+    count++ ;
+      }
+      std::cout << std::endl ;
+    }
+  return 0 ;
+}