math: allow setting scale=10 env var

ramsrib · Jan 27, 2023 · f1ffdc3 · f1ffdc3
1 parent fcee283
commit f1ffdc3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/math b/math
@@ -1,4 +1,4 @@
 #!/bin/sh
 
-scale=4 # results will print to the 4th decimal
+scale=${scale:-4} # results will print to the 4th decimal
 echo "scale=$scale; $@" | bc -l