Allow to override PAZPAR2_HOME variable on the command line with

environment variable, e.g.

env PAZPAR2_HOME=$HOME/indexdata/pazpar2 ./src/pazpar2.sh restart -t etc/edu.xml

diff --git a/src/pazpar2.sh b/src/pazpar2.sh
index 528aa3d..baa8c17 100755 (executable)
--- a/src/pazpar2.sh
+++ b/src/pazpar2.sh
@@ -2,7 +2,7 @@
 #
 # pazpar2.sh - pazpar2 start/stop script
 
-PAZPAR2_HOME=$HOME/pazpar2
+: ${PAZPAR2_HOME=$HOME/pazpar2}
 pazpar2_program=$PAZPAR2_HOME/src/pazpar2
 pazpar2_config=$PAZPAR2_HOME/etc/pazpar2.cfg
 pazpar2_pid=$PAZPAR2_HOME/pazpar2.pid