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有人介意帮忙解决这个代码吗？

tag-icon • tag-icon bash script
有人介意帮忙解决这个代码吗？

所以基本上我希望这个脚本能做的就是每 300 秒复制一个文件，但交替制作“savegame.backup1”文件，然后在接下来的 300 秒传递“savegame.backup2”，然后返回到 backup1。

我的计时器似乎没有重复，而且我不确定如何完成这个脚本。

就上下文而言，我使用的很多代码都是从谷歌搜索来的，有些是靠个人知识完成的。我无法找到我遗漏的内容。

谢谢

#!/bin/bash
GameType="Sandbox"  #Sandbox, Survival, etc.
SaveName="07-01-2017_04-52-11"  #Make sure you copy the folder name.
Timeout=$((5))  #Timeout in seconds. The default of 300 (5 minutes) is likely adequate.

#No need to change anything below.
GameName="Project Zomboid"
SERVICE=ProjectZomboid64 #Change this to ProjectZomboid32 if you're using 32bit java!
steam steam://rungameid/108600
# Checks to see if folder exists - if not, one will be made.
mkdir -p "$HOME/Zomboid/Saves/Backups/$SaveName"

#Loop start
while [ $Timeout -gt 0 ]; do
    clear && echo -ne "Creating a backup in" $Timeout "seconds."
    sleep 1
    : $((Timeout--))
    done
    clear
    if ps ax | grep -v grep | grep $SERVICE > /dev/null
        then
            cp "$HOME/Zomboid/Saves/$GameType/$SaveName/map_p.bin" "$HOME/Zomboid/Saves/Backups/$SaveName/map_p.bin.backup1"
            #Need to alternate between the two each time it loops. Backup1 the first time, Backup2 the second, Backup1 the third...
            #cp "$HOME/Zomboid/Saves/$GameType/$SaveName/map_p.bin" "$HOME/Zomboid/Saves/Backups/$SaveName/map_p.bin.backup2"
            echo "$GameName is running. Backup made." #ERROR CHECKING
        else
            #Loop should end here, and prevent any further repeating of the loop.
            read -r -p "$GameName is not detected as running, and no further backups will be made."
        fi
    echo "Outside of loop." #ERROR CHECKING
    sleep 5s

答案1

i=1
while :;do
if [ $(pgrep $SERVICE) ];then
    cp "$HOME/Zomboid/Saves/$GameType/$SaveName/map_p.bin" "$HOME/Zomboid/Saves/Backups/$SaveName/map_p.bin.backup$i"
    [ $i = 1 ] && i=2 || i=1
fi
sleep 300
done

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