in parallel check, better failure detection with 'wait'

rtest.sh

@@ -757,7 +757,10 @@ else
                     #echo -ne "[$nbdone/$NB_PKG] [$pc %] "
                     printLeftPurple "R CMD check ${p_pkgname[$j]}_${p_pkgversion[$j]}.tar.gz on slot $j ..."
                     # if there was no error
-                    if [[ "`cat ${p_pkgname[$j]}.Rcheck/00check.log | egrep -i 'error|failed' | grep -v "OK" | grep -v "WARNING" | wc -l`" == "0" ]]; then
+                    #if [[ "`cat ${p_pkgname[$j]}.Rcheck/00check.log | egrep -i 'error|failed' | grep -v "OK" | grep -v "WARNING" | wc -l`" == "0" ]]; then
+                    pid=${p_pid[$j]}
+                    wait $pid
+                    if [[ $? == 0 ]]; then
                         touch ${p_pkgname[$j]}.CHECKOK
                         #echo "R CMD check ${p_pkgname[$j]}_${p_pkgversion[$j]}.tar.gz ... FINISHED SUCCESSFULLY on slot $j at `date '+%H:%M:%S'` ... "
                         printRightGreen "FINISHED SUCCESSFULLY at `date '+%H:%M:%S'` [$nbdone/$NB_PKG] [$pc%]"