portable sed invocations

[cgilite] / storage.sh

diff --git a/storage.sh b/storage.sh
index 0d09b262b4d700dac399dbc165ff5250570d16fa..10a802950465c813001a3aa27f95f2f4a22dd1b7 100755 (executable)
--- a/storage.sh
+++ b/storage.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright 2018 Paul Hänsch
+# Copyright 2018, 2019 Paul Hänsch
 #
 # This is a file format helper, part of CGIlite.
 # 
@@ -74,7 +74,7 @@ STRING='
 
 STRING(){
   { [ $# -eq 0 ] && cat || printf %s "$*"; } \
-  | sed -r ':X; $!{N;bX;}'"$STRING"
+  | sed -E ':X; $!{N;bX;}'"$STRING"
 }
 
 UNSTRING='
@@ -89,5 +89,5 @@ UNSTRING='
 '
 UNSTRING(){
   { [ $# -eq 0 ] && cat || printf %s "$*"; } \
-  | sed -r "$UNSTRING"
+  | sed -E "$UNSTRING"
 }