diff --git a/lib/parquet/reader-writer.cc b/lib/parquet/reader-writer.cc
index 68ab579..00d8ef2 100644
--- a/lib/parquet/reader-writer.cc
+++ b/lib/parquet/reader-writer.cc
@@ -20,7 +20,7 @@
 #include <iostream>
 #include <memory>
 
-#include <reader_writer.h>
+#include "reader_writer.h"
 
 /*
  * This example describes writing and reading Parquet Files in C++ and serves as a
diff --git a/lib/parquet/reader-writer.o b/lib/parquet/reader-writer.o
deleted file mode 100644
index e575325..0000000
Binary files a/lib/parquet/reader-writer.o and /dev/null differ
diff --git a/lib/parquet/setup-sources.sh b/lib/parquet/setup-sources.sh
old mode 100644
new mode 100755
index a9bf588..f061230
--- a/lib/parquet/setup-sources.sh
+++ b/lib/parquet/setup-sources.sh
@@ -1 +1,70 @@
 #!/bin/bash
+
+# provide
+# - local path of clone of https://github.com/apache/arrow.git
+# - name/path of main .hpp file of cython extension
+repo="$1"
+main="$2"
+
+# check CLI arguments
+if [ -z "$repo" ] || [ -z "$main" ]; then
+  echo "please provide local path of arrow repository and name of main .hpp/.cpp"
+  echo -e "example:\n./setup-sources.sh /home/mario/Desktop/Record_Evolution/arrow/ reader-writer.cc"
+  exit 1
+fi
+
+echo -e "extracting sources from/for \n1: ${repo}\n2: ${main}\n"
+
+# generate dependency file
+echo -e "generate dependencies:\ng++ -c -MMD ${main} -I ./ -I ${repo}cpp/src/\n"
+g++ -c -MMD ${main} -I ${repo}cpp/src/
+
+# derive name of dependency file
+dep=$(echo ${main} | sed 's/.cc/.d/g')
+
+if [ -f "$dep" ]; then
+
+  # list dependencies
+  cat ${dep} | sed 's/ /\n/g' | awk 'NF' | grep -v '\\' | grep '\/' > deps.log
+
+  # extract list of headers
+  cat deps.log | sed ':a;N;$!ba;s/\n/ /g' > deps-headers.log
+  echo "list of required headers ($(cat deps.log | wc -l))"
+  cat deps-headers.log
+  echo ""
+
+  # imply list of sources
+  cat deps.log | sed 's/.h$/.cc/g' | sed 's/.hpp$/.cpp/g' > sources_raw.log
+  cat sources_raw.log | while read f
+  do
+    if [ -f "$f" ]; then
+      echo $f >> sources_check.log
+    fi
+  done
+  cat sources_check.log | sed ':a;N;$!ba;s/\n/ /g' > deps-sources.log
+  echo "list of required sources ($(cat sources_check.log | wc -l))"
+  cat deps-sources.log
+  echo ""
+
+  # remove all temporary files
+  rm ${dep} deps.log sources_raw.log sources_check.log
+
+  # copy required headers and sources
+  echo -e "copy required headers and sources"
+  mkdir temp/
+  cp --parents `cat deps-headers.log` temp/
+  cp --parents `cat deps-sources.log` temp/
+  mv temp${repo}cpp/src/* ./
+  rm -r temp
+
+  # remove dependencies
+  rm deps-headers.log deps-sources.log
+
+  # show files
+  ls -lh
+
+else
+
+  echo -e "\nERROR: failed to generate dependency file\n"
+
+fi