X-Git-Url: https://git.plutz.net/?p=confetti;a=blobdiff_plain;f=courses%2Fupdate_course.sh;h=ea03a72c84ebba0647abb10ebb49406adb8fe24c;hp=f2b4e18af0ab1629c596182ca1ccd073278b27bb;hb=a6e3da877a73be739ac96b12d9cde2190b24a423;hpb=bc1a27bcfb4baef96e53eb30396588b310c6851f

diff --git a/courses/update_course.sh b/courses/update_course.sh
index f2b4e18..ea03a72 100755
--- a/courses/update_course.sh
+++ b/courses/update_course.sh
@@ -1,6 +1,6 @@
-#!/bin/zsh
+#!/bin/sh
 
-# Copyright 2014, 2015, 2020 Paul Hänsch
+# Copyright 2014, 2015, 2020, 2021 Paul Hänsch
 #
 # This file is part of Confetti.
 # 
@@ -108,7 +108,7 @@ case "$(POST action)" in
     REDIRECT "/courses/?e=${course}"
     ;;
   addfield\ [A-Z]*)
-    newfield="$(POST action |sed -rn '1s;^addfield ([A-Z][A-Z0-9-]*)$;\1;p')"
+    newfield="$(POST action |sed -nE '1s;^addfield ([A-Z][A-Z0-9-]*)$;\1;p')"
     ics="$(pdi_update_value "$ics" "$newfield" $(( $(pdi_count "$ics" "$newfield") + 1 )) '')"
     printf '%s' "$ics" |grep -vx '' >"$tempfile"
     REDIRECT "/courses/?e=${course}"
@@ -118,7 +118,7 @@ case "$(POST action)" in
       grep -F "${course}	" "$attfile" |while read junk card; do
         touch "$_DATA/vcard/${card}"
       done
-      sed -i -r "/^${course}	.+\$/d" "$attfile"
+      sed -E -i "/^${course}	.+\$/d" "$attfile"
       seq 1 $(POST_COUNT attendance) |while read n; do
         printf '%s	%s\n' "$course" "$(POST attendance $n)"
       done >>"$attfile"