From a19ddadfd39dd4a405a82dc880972d0956e5614c Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Oct 26 2019 18:07:29 +0000
Subject: build system: configure: spare some cats.


---

diff --git a/configure b/configure
index 3944c1b..60a3ddb 100755
--- a/configure
+++ b/configure
@@ -62,17 +62,17 @@ init_vars()
 	sfrt_flag_vars=$sfrt_config_dir/flag.vars
 	sfrt_cfgdefs_in=$sfrt_config_dir/cfgdefs.in
 
-	mb_make_vars=$(cat $sfrt_config_vars \
-		| grep -v -e '^#' -e '^$' | tr '[:lower:]' '[:upper:]')
+	mb_make_vars=$(< "$sfrt_config_vars" \
+		grep -v -e '^#' -e '^$' | tr '[:lower:]' '[:upper:]')
 
-	mb_impl_vars=$(cat $sfrt_config_vars \
-		| grep -v -e '^#' -e '^$' | sed 's/^/mb_/g')
+	mb_impl_vars=$(< "$sfrt_config_vars" \
+		grep -v -e '^#' -e '^$' | sed 's/^/mb_/g')
 
-	mb_proj_vars=$(cat $sfrt_config_vars \
-		| grep -v -e '^#' -e '^$' | sed 's/^/mb_default_/g')
+	mb_proj_vars=$(< "$sfrt_config_vars" \
+		grep -v -e '^#' -e '^$' | sed 's/^/mb_default_/g')
 
-	mb_flag_vars=$(cat $sfrt_flag_vars \
-		| grep -v -e '^#' -e '^$')
+	mb_flag_vars=$(< "$sfrt_flag_vars" \
+		grep -v -e '^#' -e '^$')
 
 	mb_vars="$mb_make_vars $mb_impl_vars $mb_proj_vars $mb_flag_vars"