r16: More untested functions.

- cp_yes_no - simple y/n dialog function

diff --git a/functions-more.sh b/functions-more.sh
new file mode 100644 (file)
index 0000000..be66994
--- /dev/null
+++ b/functions-more.sh
@@ -0,0 +1,33 @@
+# by ddzeko, Mon, 21 Mar 2005 13:35:42 +0100
+cn_yes_no () {
+  [ "$CP_SCRIPT_DEBUG" ] && set -vx
+  local prompt answer
+  prompt=$1
+  [ "$prompt" ] || prompt="Are you sure?"
+  RET=""
+  
+  # check to prevent user from using this when debconf is active
+  # (it would break communication with its backend - uses stdin/out)
+  if [ "$DEBCONF_REDIR" ]; then
+    echo "cn_yes_no: debconf redirection detected" >&2
+    return 1
+  fi
+  
+  echo -n "$prompt (y)es/(n)o: "
+  read answer
+  case $answer in
+    y*)
+      echo
+      RET=y
+      ;;
+    n*)
+      echo
+      RET=n
+      ;;
+    *)
+      echo
+      echo "Please read the message and choose y or n"
+      cn_yes_no
+      ;;
+  esac
+}