@@ -53,8 +53,8 @@ function cp_it {

 }

-# Prints "message" and exits

-# die "message"

+# Prints line number and "message" then exits

+# die $LINENO "message"

 function die() {

     local exitcode=$?

     if [ $exitcode == 0 ]; then

@@ -73,7 +73,7 @@ function die() {

 # Checks an environment variable is not set or has length 0 OR if the

 # exit code is non-zero and prints "message" and exits

 # NOTE: env-var is the variable name without a '$'

-# die_if_not_set env-var "message"

+# die_if_not_set $LINENO env-var "message"

 function die_if_not_set() {

     (

         local exitcode=$?