replacing use of vxworks variable with environment variable

iocBoot/iocxxx/vxWorks/areaDetector.cmd

@@ -10,30 +10,30 @@ dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/simDetector.template","P=$(PREFIX),R=ca
 
 # Create a standard arrays plugin, set it to get data from first simDetector driver.
 NDStdArraysConfigure("SIM1Image", 3, 0, "SIM1", 0, 2000000)
-cmd = "P=$(PREFIX),R=image1:,PORT=SIM1Image,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0"
-dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template",cmd)
-cmd = "P=$(PREFIX),R=image1:,PORT=SIM1Image,ADDR=0,TIMEOUT=1,TYPE=Int8,FTVL=UCHAR,NELEMENTS=1392640"
-dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDStdArrays.template", cmd)
+epicsEnvSet("cmd","P=$(PREFIX),R=image1:,PORT=SIM1Image,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0")
+dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template","$(cmd)")
+epicsEnvSet("cmd","P=$(PREFIX),R=image1:,PORT=SIM1Image,ADDR=0,TIMEOUT=1,TYPE=Int8,FTVL=UCHAR,NELEMENTS=1392640")
+dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDStdArrays.template", "$(cmd)")
 
 # Create a standard arrays plugin, set it to get data from second simDetector driver.
 NDStdArraysConfigure("SIM2Image", 1, 0, "SIM2", 0, 2000000)
-cmd ="P=$(PREFIX),R=image2:,PORT=SIM2Image,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0"
-dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template", cmd)
-cmd = "P=$(PREFIX),R=image2:,PORT=SIM2Image,ADDR=0,TIMEOUT=1,TYPE=Int8,FTVL=UCHAR,NELEMENTS=1392640"
-dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDStdArrays.template", cmd)
+epicsEnvSet("cmd","P=$(PREFIX),R=image2:,PORT=SIM2Image,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0")
+dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template", "$(cmd)")
+epicsEnvSet("cmd","P=$(PREFIX),R=image2:,PORT=SIM2Image,ADDR=0,TIMEOUT=1,TYPE=Int8,FTVL=UCHAR,NELEMENTS=1392640")
+dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDStdArrays.template", "$(cmd)")
 # Load the database to use with Stephen Mudie's IDL code
 #dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/EPICS_AD_Viewer.template", "P=$(PREFIX), R=image1:")
 
 # Create a file saving plugin
 NDFileNetCDFConfigure("SIM1File", 20, 0, "SIM1", 0)
-cmd = "P=$(PREFIX),R=netCDF1:,PORT=SIM1File,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0"
-dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template",cmd)
+epicsEnvSet("cmd","P=$(PREFIX),R=netCDF1:,PORT=SIM1File,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0")
+dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template", "$(cmd)")
 dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDFile.template",      "P=$(PREFIX),R=netCDF1:,PORT=SIM1File,ADDR=0,TIMEOUT=1")
 
 # Create an ROI plugin
 NDROIConfigure("SIM1ROI", 20, 0, "SIM1", 0, 8, 20, 20000000)
-cmd = "P=$(PREFIX),R=ROI1:,  PORT=SIM1ROI,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0"
-dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template", cmd)
+epicsEnvSet("cmd","P=$(PREFIX),R=ROI1:,  PORT=SIM1ROI,ADDR=0,TIMEOUT=1,NDARRAY_PORT=SIM1,NDARRAY_ADDR=0")
+dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDPluginBase.template", "$(cmd)")
 dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDROI.template",  "P=$(PREFIX),R=ROI1:,  PORT=SIM1ROI,ADDR=0,TIMEOUT=1")
 dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDROIN.template", "P=$(PREFIX),R=ROI1:0:,PORT=SIM1ROI,ADDR=0,TIMEOUT=1,HIST_SIZE=256")
 dbLoadRecords("$(AREA_DETECTOR)/ADApp/Db/NDROIN.template", "P=$(PREFIX),R=ROI1:1:,PORT=SIM1ROI,ADDR=1,TIMEOUT=1,HIST_SIZE=256")