Parametrize maximum line numbers and line length

bin/notifirc

 usage() {
     local self=$(basename "$0")
     echo "usage: $self [options] message" >&2
-    echo "usage: $self [options] -f message_file|-" >&2
+    echo "usage: $self [options] [-l max_lines] [-L max_width] -f message_file|-" >&2
     echo "options: [-h host] [-p port] [-n nick] [-c context] [-u user]" >&2
     exit 2
 }
 }
 
 trim() {
-    local limit_l=3
-    local limit_c=80
+    local limit_l=$1
+    local limit_c=$2
     local lines_read=0
     local suff=""
     while true;
 
 main() {
     local context nick host port user message logfile msgfile
+    local f_maxlines=3 f_maxwidth=80
 
     logfile=$(choose_logfile)
     test -n "$logfile" || {
         -c) context=$2; shift 2 || usage ;;
         -f) msgfile=$2; shift 2 || usage ;;
         -h) host=$2;    shift 2 || usage ;;
+        -l) f_maxlines=$2; shift 2 || usage ;;
+        -L) f_maxwidth=$2; shift 2 || usage ;;
         -n) nick=$2;    shift 2 || usage ;;
         -p) port=$2;    shift 2 || usage ;;
         -u) user=$2;    shift 2 || usage ;;
     log "context='$context'"
     log "user='$user'"
     log "msgfile='$msgfile'"
+    log "f_maxlines='$f_maxlines'"
+    log "f_maxwidth='$f_maxwidth'"
     log "message='$message'"
     {
         test -n "$message" && printf '%s\n' "$message"
-        test -n "$msgfile" && grep . "$msgfile" | trim
+        test -n "$msgfile" && grep . "$msgfile" | trim "$f_maxlines" "$f_maxwidth"
     } \
       | mkcommands "$user" "$(mknick)" \
       | nc "$host" "$port" 2>&1 \