always install post processing scripts into {$DAMASK_ROOT}/bin

custom installation directions will be made available by more standard
approaches

CONFIG

@@ -1,8 +1,6 @@
 # "set"-syntax needed only for tcsh (but works with bash and zsh)
 # DAMASK_ROOT will be expanded
 
-set DAMASK_BIN            = ${DAMASK_ROOT}/bin
-
 set DAMASK_NUM_THREADS    = 4
 
 set MSC_ROOT              = /opt/msc

installation/symlink_Processing.py

@@ -7,7 +7,7 @@ import damask
 
 damaskEnv = damask.Environment()
 baseDir = damaskEnv.relPath('processing/')
-binDir = damaskEnv.options['DAMASK_BIN']
+binDir  = damaskEnv.relPath('bin/')
 
 if not os.path.isdir(binDir):
   os.mkdir(binDir)

python/damask/environment.py

@@ -1,6 +1,6 @@
 # -*- coding: UTF-8 no BOM -*-
 
-import os,subprocess,shlex,re
+import os,re
 
 class Environment():
   __slots__ = [ \