diff --git a/arrays.pl.xml b/sample/arrays.pl.xml
similarity index 100%
rename from arrays.pl.xml
rename to sample/arrays.pl.xml
diff --git a/if.pl.xml b/sample/if.pl.xml
similarity index 100%
rename from if.pl.xml
rename to sample/if.pl.xml
diff --git a/test.pl.xml b/sample/test.pl.xml
similarity index 100%
rename from test.pl.xml
rename to sample/test.pl.xml
diff --git a/while.pl.xml b/sample/while.pl.xml
similarity index 100%
rename from while.pl.xml
rename to sample/while.pl.xml