1 files changed, 22 insertions, 5 deletions

diff --git a/postprocess.sh b/postprocess.sh
index 7c4b4e6..9316357 100644
--- a/postprocess.sh
+++ b/postprocess.sh
@@ -2,11 +2,28 @@ export LANG=C
 export LC_ALL=C
 export LC_CTYPE=C
 
-sudo sysctl kern.maxfilesperproc=65563
-sudo sysctl kern.maxfiles=65563
+
+mfpp=`sysctl -n kern.maxfilesperproc`
+mf=`sysctl -n kern.maxfiles`
+
+
+if [ $mfpp -lt 65563 -o $mf -lt 65563 ]; then
+  printf "System resources not tuned, %d and %d please run:\n" $mfpp $mf
+  printf "sudo sysctl kern.maxfilesperproc=65563\n"
+  printf "sudo sysctl kern.maxfiles=65563\n"
+  exit
+fi
+
 ulimit -n 65563
 
-for a in 199[56789]_Q? 20*_Q?; do ./sort_plz $a; done
+export PATH=${PATH}:`pwd -P`/bin/
+
+if ! test -d work; then
+  printf "This directory contains no work/ directory.\n"
+  [ -d ../work ] && printf "(but .. does)\n"
+  exit 1
+fi
 
-rm -rf sorted
-mkdir sorted
+cd work || exit 1
+
+for a in 199[56789]_Q? 20*_Q?; do ./sort_plz $a; done