specify also inverval unit (days, hours)

diff --git a/gnuplot/calc-offset.sh b/gnuplot/calc-offset.sh
index 84133c6..615a415 100755 (executable)
--- a/gnuplot/calc-offset.sh
+++ b/gnuplot/calc-offset.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-days=90
-test ! -z "$1" && days=$1
+interval="90 days"
+test ! -z "$1" && interval="$*"
 
-cat calc-offset.sql | sed "s/90 days/$days days/" | psql -A -t -F' ' zc 
+cat calc-offset.sql | sed "s/90 days/$interval/" | psql -A -t -F' ' zc