better naming

and more narrow scope of local variables

tests/playTests.sh

@@ -848,6 +848,7 @@ ls tmp* > tmpList
 zstd -f tmp1 --filelist=tmpList --filelist=tmpList tmp2 tmp3  # can trigger an overflow of internal file list
 rm -rf tmp*
 
+
 println "\n===> --[no-]content-size tests"
 
 datagen > tmp_contentsize