diff options
Diffstat (limited to 'examples/scripts/scrollbar')
| -rwxr-xr-x | examples/scripts/scrollbar | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/examples/scripts/scrollbar b/examples/scripts/scrollbar index c177179e..388bea8e 100755 --- a/examples/scripts/scrollbar +++ b/examples/scripts/scrollbar @@ -9,17 +9,17 @@ # converted from ksh syntax to bash v2 syntax by Chet Ramey WIDTH=${COLUMNS:-80} +WMINUS=$(( $WIDTH - 1 )) [ $# -lt 1 ] && set -- TESTING -# Posix.2 compatible printf command or bash loadable builtin -# in examples/loadables/printf +# use the bash-2.02 printf builtin Text=$(printf "%-${WIDTH}s" "$*") -Text=$(echo "$Text" | tr ' ' '_') +Text=${Text// /_} while : do printf "%-.${WIDTH}s\r" "$Text" - LastC=$(expr "$Text" : '.*\(.\)$') - Text=$(printf "%-.${WIDTH}s" "$LastC$Text") + LastC=${Text:${WMINUS}:1} + Text="$LastC""${Text%?}" done |