linux while true do done

相關問題 & 資訊整理

linux while true do done

from manual: : [arguments] No effect; the command does nothing beyond expanding arguments and performing any specified redirections. , 先來看一個無限迴圈的範例. root@ubuntu:~# vi while .sh. while true. , If the condition evaluates to true, commands are executed. Otherwise, if the ... i=0 while [ $i -le 2 ] do echo Number: $i ((i++)) done. Copy. ,You can use : special command with while loop to tests or set an infinite loop or an ... true command - do nothing, successfully (always returns exit code 0); false ... , while true do /someperlscript.pl sleep 1 done. This will also ... to do it is OS dependent. Eg: Solaris smf, Linux systemd or a cron based restarter. , while true do do something here done 其实,这里的true是一个/bin ... true - do nothing, successfully ... true [ignored command line arguments] , while true; do foo; sleep 2; done. By the way, if you type it as a multiline (as you are showing) at the command prompt and then call the history ... ,while CONTROL-COMMAND; do CONSEQUENT-COMMANDS; done ... PICSDIR=/home/carol/pics WEBDIR=/var/www/carol/webcam while true; do ... ,2014-12-18 68 views 4 likes. 4. 這工作得很好(無限循環):Timeouting在Linux中while循環(bash的一個行)shell腳本 $ while TRUE; do printf ".";done. ,#!/bin/bash echo -n "請問你要幾個[妹]:" read MA INDEX=1 # 當條件成立,就會不斷執行(le表示小於或等於) while [ $INDEX -le $MA ] do # 輸出妹echo -n "妹" # ...

相關軟體 PuTTY 資訊

PuTTY
PuTTY 是一個免費的 Windows 和 Unix 平台的 Telnet 和 SSH 實現,以及一個 xterm 終端模擬器。它主要由 Simon Tatham 編寫和維護. 這些協議全部用於通過網絡在計算機上運行遠程會話。 PuTTY 實現該會話的客戶端:會話顯示的結束,而不是運行結束. 真的很簡單:在 Windows 計算機上運行 PuTTY,並告訴它連接到(例如)一台 Unix 機器。 ... PuTTY 軟體介紹

linux while true do done 相關參考資料
"while :" vs. "while true" - Stack Overflow

from manual: : [arguments] No effect; the command does nothing beyond expanding arguments and performing any specified redirections.

https://stackoverflow.com

Bash shell script – while 迴圈– Benjr.tw

先來看一個無限迴圈的範例. root@ubuntu:~# vi while .sh. while true.

http://benjr.tw

Bash while Loop | Linuxize

If the condition evaluates to true, commands are executed. Otherwise, if the ... i=0 while [ $i -le 2 ] do echo Number: $i ((i++)) done. Copy.

https://linuxize.com

Infinite while loop - Linux Shell Scripting Tutorial - A ...

You can use : special command with while loop to tests or set an infinite loop or an ... true command - do nothing, successfully (always returns exit code 0); false ...

https://bash.cyberciti.biz

Is using "while true" to keep a script alive a good idea? - Unix ...

while true do /someperlscript.pl sleep 1 done. This will also ... to do it is OS dependent. Eg: Solaris smf, Linux systemd or a cron based restarter.

https://unix.stackexchange.com

shell:当你运行while true的时候,你实际在做什么?_匿_名_ ...

while true do do something here done 其实,这里的true是一个/bin ... true - do nothing, successfully ... true [ignored command line arguments]

https://blog.csdn.net

Syntax for a single-line Bash infinite while loop - Stack Overflow

while true; do foo; sleep 2; done. By the way, if you type it as a multiline (as you are showing) at the command prompt and then call the history ...

https://stackoverflow.com

The while loop

while CONTROL-COMMAND; do CONSEQUENT-COMMANDS; done ... PICSDIR=/home/carol/pics WEBDIR=/var/www/carol/webcam while true; do ...

https://tldp.org

Timeouting在Linux中while循環(bash的一個行)shell腳本- 優 ...

2014-12-18 68 views 4 likes. 4. 這工作得很好(無限循環):Timeouting在Linux中while循環(bash的一個行)shell腳本 $ while TRUE; do printf ".";done.

http://hk.uwenku.com

[Shell Script] Day11-迴圈while 的三個範例 - iT 邦幫忙 - iThome

#!/bin/bash echo -n "請問你要幾個[妹]:" read MA INDEX=1 # 當條件成立,就會不斷執行(le表示小於或等於) while [ $INDEX -le $MA ] do # 輸出妹echo -n "妹" # ...

https://ithelp.ithome.com.tw