Linux Bash shell 腳本定時器 All In One

自動化執行定時任務

Linux crontab 是用來定期執行程序的命令

demos

$ crontab -e

# 定時器任務test
# 每隔 30 分鍾運行一次，使用 sh 自動安裝 app-node-env
# 30 * * * * sh ./auto-install-npm.sh
30 * * * * /bin/sh ./auto-install-npm.sh

#!/bin/sh

# sh/zsh/bash 選擇默認

# echo "🚀 linux shell 定時器" && npm i -g app-node-env
echo "🚀 linux shell 定時器" && yarn global add app-node-env

# Linux Bash shell 腳本定時器 All In One
# https://www.cnblogs.com/xgqfrms/p/15384401.html

https://www.runoob.com/linux/linux-comm-crontab.html

demos

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corn

crontab guru

The quick and simple editor for cron schedule expressions by Cronitor

# At 08:00 on Sunday
0 8 * * 0

https://crontab.guru/#0_8___0

which

➜  ~ which sh
/bin/sh
➜  ~ which zsh
/bin/zsh
➜  ~ which bash
/bin/bash


➜  ~ which node
/Users/xgqfrms-mbp/.nvm/versions/node/v12.18.0/bin/node
➜  ~ which nginx
/usr/local/bin/nginx
➜  ~ which flutter
/Users/xgqfrms-mbp/Documents/Flutter/flutter/bin/flutter

refs

https://www.runoob.com/linux/linux-shell.html

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