search:shell if exist相關網頁資料

- tldp.org
  
  File test operators
  
  Advanced Bash-Scripting Guide: Prev, Chapter 7. Tests, Next. 7.2. File test operators. Returns true if... -e. file exists. -a. file exists. This is identical in effect to -e.
  
  2025-04-23
  
  瀏覽：854
- stackoverflow.com
  
  shell - check if file exists - Stack Overflow
  
  -d FILE FILE exists and is a directory -e FILE FILE exists -f FILE FILE exists ... The test command returns a zero value if the test succeeds or 1 ...
  
  2025-04-28
  
  瀏覽：474

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HowTo : Check If a File Exists | Linux BASH Scripting - ShellHacks

日期：2025-04-25

While creating BASH Scripts, it is commonly helpful to check if a file exists before attempting to perform some action. This is a job for test command (the same as ......

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to find if a file exist using shell script

日期：2025-04-22

Hi~ guys, i am new to writing script. I have a question about that. Say if I have a directory and have several files in it, I want to use the script to find out if a certain file exit here and if this file does exit. i will do something to the file. How c...

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How to check if folder name exist or not in FTP server using shell script - Toolbox for IT Groups

日期：2025-04-28

Hello All, Greetings...! I have a scenario. I want to check whether folder name exist or not in FTP server using shell script. I ... ... cd $ver; rm -f *.* is very scary. If the cd fails, the rm works in the directory you started in. cd $ver && rm -f *.* ...

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bash - Shell script to capture Process ID and kill it if exist - Stack Overflow

日期：2025-04-25

PID=ps -ef | grep syncapp 'awk {print $2}' I couldn't able to get the output which is actually process id into PID variable. Is there any syntax wrong or script wrongly ... Unfortunately I didn't find the process name exactly. I'm getting the processes by...

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batch script with IF EXIST (Page 1) / Windows CMD Shell / SS64 Forum

日期：2025-04-23

raja Member Registered: 14 Dec 2005 Posts: 1 batch script with IF EXIST Hello All, in the below code how should i include the return code for failure and success. i want the condition to be success if the file does not exist and exit. if the file exists i...

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Test if a file exists with the BASH shell

日期：2025-04-27

27 Aug 2008 ... Often when shell scripting with BASH you need to test if a file exists (or doesn't exist) and take ......

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Check if a directory exists in a shell script - Stack Overflow

日期：2025-04-28

2008年9月12日 - What command can be used to check if a directory does or does not ... To check if a directory exists in a shell script you can use the following:...

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shell - How to mkdir only if a dir does not already exist? - Stack Overflow

日期：2025-04-27

I am writing a script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do ......

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