csh while loop sleep

shell - While loop to test if a file exists in bash - Stack Overflow有一天,老蒼蠅和小蒼蠅在外玩。小蒼蠅指著漫天白云問:“媽媽,這是什么?”媽媽說:“這是白云。”小蒼蠅指著藍天問:“這是什么?”媽媽說:“這是藍天。”又指著鮮花問“這是什么?”。媽媽When you say "doesn't work", how do you know it doesn't work? You might try to figure out if the file actually exists by adding: while [ ! -f /tmp/list.txt ] do sleep 2 done ls -l /tmp/list.txt You might also make sure that you're using a Bash (or related...

全文閱讀

csh -- C Shell, a shell (command interpreter) with C-like syntax面試人員給一位前來應征的男士一張履歷表,于是男士就填了這樣的信息—— 年齡:這是私人問題。 身高:這跟工作有關系嗎? 體重:隨時改變,飯前飯后都不同。 居住地:那是一個特別的地方,我生命的舞臺。 電話:愛立信手機。 電子郵件:只留給漂亮和富有的女孩。 上班時間:越短越好。 應DESCRIPTION The C Shell (csh) is a command language interpreter incorporating a history mechanism (see History Substitutions), job control facilities (see Jobs), interactive file name and user name completion (see File Name Completion), and a C-like synta...

全文閱讀

Csh - the C Shell - Welcome to The Grymoire!一.公車站臺“小姐你踩到我腳了.”“沒有吧,我離你那么遠.”“我是說,如果你把腳不小心放在了我腳上,就是踩到我腳了.”“神經病.”“哇,小姐好眼力,我確實有神經病史,一般看見漂亮的女孩就發作.The Grymoire's C-shell (CSH) Tutorial ... Check out my other tutorials on the Unix Page, and my Check my blog Table of Contents C shell problems Quoting long strings, $ and ! The ad hoc parser...

全文閱讀

shell script - While loop until a file exists in bash - Super User一個北方男人到南方吃飯!男:饃饃多少錢?女:摸摸五十。男:下面呢?女:一百。男憤然:水餃呢?女:睡覺二百,男驚叫:一碗二百?女:一晚四百。經驗總結:南方消費就是高啊!while : ; do [[ -f "/path/to/file" ]] && break echo "Pausing until file exists." sleep 1 done Without using something like inotify, this is about the limit of what you're going to be able to do. The while loop above just uses : as its conditional which pr...

全文閱讀

Unix systems Basic commands - Welcome to website about history of the sikhs我的兒子今年5歲了,是一個很可愛的小男孩,我收集了一些和他的對話,都說童言無忌真的是這樣的:1、兒子:媽媽,你幫我讀讀這故事書里的故事吧。我(正在看電視,不想給他講故事):誰叫你不好好讀書啊,看吧,現在當文盲了吧!兒子:什么是文盲啊?我:就是你這樣的人!2、又有一天,兒子又讓我給她講故事書我:你怎么Banner command. banner prints characters in a sort of ascii art poster, for example to print wait in big letters. I will type banner wait at unix command line or in my ... Cal command cal command will print the calander on current month by default. If you...

全文閱讀

Use file as list in for loop... | Unix Linux Forums | Shell Programming and Scripting老婆特愛吃水果,一次和老婆往家走,老婆非要買幾斤蘋果帶回去,我說別買了,家里不是 還有桔子么。老婆回了一句特噎人:“桔子能吃出蘋果味兒來么?!” 和同學走在街上,發現地上不知誰掉了一毛錢硬幣,同學把它拾起來,我笑他說:“丟不丟人 ?一毛錢你也撿。”同學Can I use a file as the list in a for loop? I tried it like this: Code: workstation=( \$(cat /home/me/file) ) for ws in \$workstation do command done The contents of file are like: abc def ......

全文閱讀