From b7fc9e0f6d6105ba2203f219743d4b269415e84b Mon Sep 17 00:00:00 2001 From: An-Cheng Huang Date: Mon, 12 Nov 2007 13:06:02 -0800 Subject: initial import from bash_3.1dfsg.orig.tar.gz --- examples/scripts/scrollbar | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100755 examples/scripts/scrollbar (limited to 'examples/scripts/scrollbar') diff --git a/examples/scripts/scrollbar b/examples/scripts/scrollbar new file mode 100755 index 0000000..388bea8 --- /dev/null +++ b/examples/scripts/scrollbar @@ -0,0 +1,25 @@ +#!/bin/bash +# +# scrollbar - display scrolling text +# +# usage: scrollbar args +# +# A cute hack originally from Heiner Steven +# +# converted from ksh syntax to bash v2 syntax by Chet Ramey + +WIDTH=${COLUMNS:-80} +WMINUS=$(( $WIDTH - 1 )) + +[ $# -lt 1 ] && set -- TESTING + +# use the bash-2.02 printf builtin +Text=$(printf "%-${WIDTH}s" "$*") +Text=${Text// /_} + +while : +do + printf "%-.${WIDTH}s\r" "$Text" + LastC=${Text:${WMINUS}:1} + Text="$LastC""${Text%?}" +done -- cgit v1.2.3