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- #!/bin/bash
- # helper
- if [ -z ${1} ] || [ -z ${2} ] || [ "--help" == "${1}" ]; then
- echo
- echo "Usage: $0 [speed in second] [how many cycles] [cursorup] [bash clear]"
- echo
- echo "[cursorup]: 0, no tput cuu1; 1, yes tput cuu1"
- echo "[bash clear]: 0, tput clear; 1, clear; command for each cycle"
- echo "[bash clear]: 2, tput clear; 3, clear; command for each echo"
- echo
- exit 1
- fi
- # parameters
- pos=0
- sec=$1
- how=$2
- cur=$3
- bas=$4
- # test
- clr='tput clear'
- cuu='tput cuu1'
- # function
- clearEcho ()
- {
- ori=${1}
- num=$(( ori + 1 ))
- if [ $bas -eq $ori ]; then
- $clr
- else
- if [ $bas -eq $num ]; then
- clear
- fi
- fi
- if [ $bas -eq $ori ] || [ $bas -eq $num ]; then
- echo cycle: $pos
- fi
- }
- # main
- while [ $pos -lt $how ]
- do
- clearEcho 0
- for i in $(echo "| / - \\")
- do
- clearEcho 2
- echo $i
- if [ $cur -gt 0 ]; then
- $cuu
- fi
- sleep $sec
- done
- let pos++
- done
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