--- environment_variables.orig	2024-02-29 10:18:05 UTC
+++ environment_variables
@@ -66,12 +66,16 @@
 #  For this reason, a plain "diff" of your results against the reference
 #  data may not work and human inspection of the results may be needed.
 
-PREFIX=`cd ../../.. ; pwd`
+if [ -z "$PREFIX" ]; then
+  echo "Please set the PREFIX environment variable"
+  exit 1
+fi
 # $PREFIX is the root of the Quantum ESPRESSO source tree.
 BIN_DIR=$PREFIX/bin
-PSEUDO_DIR=$PREFIX/pseudo
+PSEUDO_DIR=$PREFIX/share/quantum-espresso/pseudo
+ESPRESSO_PSEUDO=/tmp
 # Beware: everything in $TMP_DIR will be destroyed !
-TMP_DIR=$PREFIX/tempdir
+TMP_DIR=/tmp
 
 PARA_PREFIX=" "
 # PARA_PREFIX="mpirun -np 4"
@@ -85,7 +89,7 @@ PARA_PREFIX=" "
 #                  -nd n        number of processors for linear algebra 
 #                                            (or -ndiag, -northo) 
 
-PARA_POSTFIX=" -nk 1 -nd 1 -nb 1 -nt 1 "
+#PARA_POSTFIX=" -nk 1 -nd 1 -nb 1 -nt 1 "
 
 # The following variables are used for image parallelization of PHonon 
 # (see example in PHonon/examples/Image_example)