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  第二十一章 Shell Script - twbsd.org
  
  第二十四章 Shell Script 身為 UNIX 系統管理者除了要熟悉 UNIX 指令外，我們最好學會幾種 scripts 語言，例如 shell script 或 perl。學會 script 語言後，我們就可以將日常的 ...
  
  2026-04-20
  
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  Check if a Directory Exists in Shell Script - Unix
  
  How to check whether a directory exist or not in unix or linux shell or bash script... ... How to check whether a directory exists or not in unix or linux shell script? I want to check for the directory existence in the shell script and if the directory e
  
  2026-04-23
  
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linux - Unix Bash Shell Programming if directory exists ...

日期：2026-04-18

2013年9月29日 - So I'm trying to get into an if statement in a bash shell script but I think ... bin/bash read sd if [ -d "~/tmp/$sd" ]; then echo "That directory exists" ......

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HowTo: Check If a Directory Exists In a Shell Script - nixCraft

日期：2026-04-18

2013年4月14日 - [ -d "/path/to/dir" ] && echo "Directory /path/to/dir exists." || echo "Error: ... Shell script examples to see if a ${directory} exists or not. The following ......

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Linux / UNIX: Find Out If a Directory Exists or Not - nixCraft

日期：2026-04-24

2008年11月16日 - [ -d /tmp ] && echo 'Directory found' || echo 'Directory /tmp not found'. Sample Shell Script to gives message if directory exists. Here is a sample ......

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Change directory in a shell script | Unix Linux Forums | Linux

日期：2026-04-18

How do u change ur directory using a shell script?? ... When you run the script in this manner, all the changes you make to env variables will remain after your exit the script....

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File test operators

日期：2026-04-19

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....

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

日期：2026-04-21

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 check directory exist or not in linux.? - Stack Overflow

日期：2026-04-24

With bash/sh/ksh, you can do: if [ ! -d /directory/to/check ]; then mkdir -p /directory/ toc/check fi. For files, replace -d with -f , then you can do ......

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