1 files changed, 14 insertions, 12 deletions
diff --git a/mark-as-expendable-dir.in b/mark-as-expendable-dir.in
index e66c97b..e615d3c 100644
--- a/mark-as-expendable-dir.in
+++ b/mark-as-expendable-dir.in
@@ -59,18 +59,20 @@ done
 
 for dir in "$@"
 do
-  (
-    echo -n 'Signature: '
-    echo -n '.IsCacheDirectory' | \
+  {
+    printf 'Signature: '
+    printf '.IsCacheDirectory' | \
       md5sum - | \
-      cut -d ' ' -f 1
-    echo '# This file is a cache directory tag created by '"$(basename "$0")"' for '"${caller}"'.'
-    echo '# For information about cache directory tags, see:'
-    echo '#      http://www.brynosaurus.com/cachedir/'
-  ) > "${dir}/CACHEDIR.TAG"
-  (
-    echo '+ .rsync-filter'
-    echo '- *'
-  ) > "${dir}/.rsync-filter"
+      cut -d' ' -f 1
+    printf '# This file is a cache directory tag created by %s for %s.\n' \
+      "$(basename "$0")" \
+      "${caller}"
+    printf '# For information about cache directory tags, see:\n'
+    printf '#      http://www.brynosaurus.com/cachedir/\n'
+  } > "${dir}/CACHEDIR.TAG"
+  {
+    printf '+ .rsync-filter\n'
+    printf -- '- *\n'
+  } > "${dir}/.rsync-filter"
   touch "${dir}/.nobackup"
 done