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add "-d" no clear screen option #71

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add "-d" no clear screen option #71

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13 changes: 10 additions & 3 deletions pipes.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ RNDSTART=0 # randomize starting position and direction
BOLD=1
NOCOLOR=0
KEEPCT=0 # keep pipe color and type
NOCLEAR=0 # clear the screen


# print help message in 72-char width
Expand All @@ -98,6 +99,7 @@ Animated pipes terminal screensaver.
-B no bold effect
-C no color
-K keep pipe color and type when crossing edges
-d do not clear the screen on start
-h print this help message
-v print version number

Expand Down Expand Up @@ -132,7 +134,7 @@ parse() {


OPTIND=1
while getopts "p:t:c:f:s:r:RBCKhv" arg; do
while getopts "p:t:c:f:s:r:RBCKhvd" arg; do
case $arg in
p)
if is_N "$OPTARG" && ((OPTARG > 0)); then
Expand Down Expand Up @@ -202,6 +204,7 @@ parse() {
B) BOLD=0;;
C) NOCOLOR=1;;
K) KEEPCT=1;;
d) NOCLEAR=1;;
h)
print_help
exit 0
Expand Down Expand Up @@ -263,9 +266,13 @@ init_pipes() {

init_screen() {
stty -echo
tput smcup
if [[ "$NOCLEAR" = 0 ]]; then
tput smcup
fi
tput civis
tput clear
if [[ "$NOCLEAR" = 0 ]]; then
tput clear
fi
trap cleanup HUP TERM

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