Improve variable substitution efficiency

If a value in the variables file contains multiple instances of the same
variable, they will all be replaced in a single function call,
eliminating the need to loop over the same block of code multiple times.

1 files changed, 1 insertions, 1 deletions

diff --git a/tpl b/tpl
index fb6ca1e..9461b6b 100755
--- a/tpl
+++ b/tpl
@@ -36,7 +36,7 @@ FILENAME == ARGV[1] && NF == 2 {
 
 		# Left braces must be escaped for strict POSIX compliance.
 		gsub(/\{/, "\\{", matched_text)
-		sub(matched_text, vals[var_name], $2)
+		gsub(matched_text, vals[var_name], $2)
 	}
 
 	vals[$1] = $2