Use read builtin safely

bin/notifirc

     local message
     echo "NICK $nick"
     echo "USER $nick 8 * :notifirc bot"
-    while read message;
+    while read -r message;
     do
         echo "PRIVMSG $user :$message"
     done
 
 log_pipe() {
     local line
-    while IFS= read line;
+    while IFS= read -r line;
     do
         log "$line"
     done
     while true;
     do
         test $lines_read -ge $limit_l && break
-        IFS= read line || break
+        IFS= read -r line || break
         (( lines_read++ ))
         test ${#line} -gt $limit_c && suff=…
         line=${line:0:$limit_c}$suff
         echo "$HOME/.notifirc.log"
         echo /tmp/notifirc.log
     } \
-      | while read path;
+      | while read -r path;
         do
             if test -w "$(dirname "$path")" \
              || test -w "$path";