replace echo by the more unambiguous builtin printf

[cgilite] / page.sh

diff --git a/page.sh b/page.sh
index 96f3fcc26f048924abad208e4c4c0f5c4cb953aa..d4e38cec88e2d79c3354feedde3bc74934ecd5cb 100755 (executable)
--- a/page.sh
+++ b/page.sh
@@ -17,17 +17,17 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with shcgi.  If not, see <http://www.gnu.org/licenses/>. 
 
-echo -n "Content-Type: text/html;charset=utf-8\n\n"
+printf "Content-Type: text/html;charset=utf-8\n\n"
 
-PAGE="$(echo -E "$_GET[\"p\"]" |egrep '^[a-zA-Z0-9_-]+$')"
+PAGE="$(printf %s "$_GET[\"p\"]" |egrep '^[a-zA-Z0-9_-]+$')"
 PAGE="${_EXEC}/pages/${PAGE}.sh"
 [ -x "$PAGE" ] || PAGE="${_EXEC}/pages/error.sh"
 
 NAVIGATION() {
   for each in "${_EXEC}"/pages/*.sh; do
-    link="$(echo -E "$each" |sed -r "s:^.*/([^/]*)\.sh$:\1:")"
+    link="$(printf %s "$each" |sed -r "s:^.*/([^/]*)\.sh$:\1:")"
     title="$($each title)"
-    [ -n "$title" ] && echo -E "?p=$link $title"
+    [ -n "$title" ] && printf '%s\n' "?p=$link $title"
   done
 }