diff --git a/build.sh b/build.sh
index 5a19293..1127842 100755
--- a/build.sh
+++ b/build.sh
@@ -1,9 +1,32 @@
 #!/bin/bash
 
+MODULE_PATH=$(realpath $PWD/${0%build\.sh})
+
+# JARs
+UCOMP=microcompiler.jar
+COMP=compiler.jar
+WEAVER=weaver.jar
+
+# Main classes
+UCOMPMAIN=MicrocompilerKt
+COMPMAIN=CompilerKt
+WEAVERMAIN=WeaverKt
+
+# Random number generator
+RGEN=rand_gen.py
+
+# Intermediate file
+INTER=comp.out
+
+
 usage(){
     echo -e "Usage:\n\t$0 [TARGET] {TYPE | OUTFILE}\n\t$0 [TARGET] [MICROTARGET] [OUTFILE]\n\t$0 [TARGET] [TYPE] [OUTFILE] [COMBINE]\n\t$0 [TARGET] asm [OUTFILE] [COMBINE] [MICROTARGET]\n\nWhere:\n\tTARGET: main compilation target file\n\tTYPE: either \"asm\" or \"micro\"\n\tOUTFILE: output .mia file\n\tCOMBINE: existing .mia file to combine compilation output with\n\tMICROTARGET: explicit microinstruction target"
 }
 
+path_of(){
+    echo "$MODULE_PATH/$1"
+}
+
 if [ $# -eq 0 ]; then
     >&2 echo "Not enough arguments!"
     usage
@@ -66,29 +89,33 @@ case $# in
         ;;
 esac
 
-make all
+(cd $MODULE_PATH && make all)
 
 if [ "$TYPE" = "asm" ]; then
-    KJAR="compiler.jar"
-    KCLASS="CompilerKt"
+    KJAR=$COMP
+    KCLASS=$COMPMAIN
 else
-    KJAR="microcompiler.jar"
-    KCLASS="MicrocompilerKt"
+    KJAR=$UCOMP
+    KCLASS=$UCOMPMAIN
 fi
-kotlin -classpath $KJAR $KCLASS $TARGET > comp.out || exit
-python rand_gen.py >> comp.out
+
+kotlin -classpath $(path_of $KJAR) $KCLASS $TARGET > $INTER || exit
+python "$(path_of $RGEN)" >> $INTER
 
 if [ "$COMBINE" = "" ]; then
     if [ "$MICRO" != "" ]; then
-        kotlin -classpath microcompiler.jar MicrocompilerKt $MICRO >> comp.out || exit
+        kotlin -classpath $(path_of $UCOMP) $UCOMPMAIN $MICRO >> $INTER || exit
     fi
 
-    kotlin -classpath weaver.jar WeaverKt comp.out $OUTPUT || exit
+    kotlin -classpath $(path_of $WEAVER) $WEAVERMAIN $INTER $OUTPUT || exit
 else
     if [ "$MICRO" != "" ]; then
-        kotlin -classpath microcompiler.jar MicrocompilerKt $MICRO >> comp.out || exit
+        kotlin -classpath $(path_of $UCOMP) $UCOMPMAIN $MICRO >> $INTER || exit
     fi
-    kotlin -classpath weaver.jar WeaverKt comp.out $COMBINE $OUTPUT || exit
+    kotlin -classpath $(path_of $WEAVERJAR) $WEAVERMAIN $INTER $COMBINE $OUTPUT || exit
 fi
 
+# Remove intermediate compilation file
+rm -f $INTER
+
 echo "Compiled successfully to $OUTPUT"