鳥哥的Linux 私房菜-- 學習Shell Scripts 2009年2月18日 - 如果你真的很想要走資訊這條路,並且想要管理好屬於你的主機,那麼,別說鳥哥不告訴你, 可以自動管理系統的好工具: Shell scripts!這傢伙真的 ...
Introduction to if At times you need to specify different courses of action to be taken in a shell script , depending on the success or failure ...
Bash Shell Script教學與心得 - Google Sites Shell Script主要用途就是用來協助使用者在UNIX or Linux環境上, 以更方便, 更自動化的方式來執行想要執行的指令, 它也可以很快速的協助使用者 or 管理者大量地執行重複性的動作與指令. 做為一個系統管理者, 學會Shell Script絕對可以事半功倍.
Bash Shell: Check File Exists or Not - nixCraft 2012年4月20日 - This article describes how to check check if a text file exist ... in BASH Shell ... -b FILE FILE exists and is block special -c FILE FILE exists and is character special - d FILE ...
Linux/UNIX: Find Out If File Exists With Conditional Expressions ... 2006年2月16日 - With the help of BASH shell and IF command it is possible to find out if file exists or not.
Shell script to check if file exists - Stack Overflow 2013年3月9日 - Shell script to check if file exists .... The standard Unix shell interpolates environment variables, and what are called globs before it passes the ... cat > waitfor.csh #!
How to check if a directory exists in a shell script - Stack Overflow 2008年9月12日 - How to check if a directory exists in a shell script .... File under: "When is a directory not a directory?" The answer: "When it's a symlink to a ..... Lounge. just now ...
UNIX & Linux Shell Scripting (If & Else) - DreamSys Software UNIX & Linux Shell Scripting (Programming) Tutorial ... If/Else NOTE: Did you know you can use python in unix shell scripts? Check out the if/else python tutorial! In order for a script to be very useful, you will need to be able to test the conditions of
scripting - How do I tell if a file does not exist in bash? - Stack Overflow bin/bash FILE=$1 if [ -f $FILE ]; then echo "File $FILE exists. ... To be pendantic, you should say "regular file", as most UNIX/POSIX docs refer ...
unix - How to check if a directory exists in a shell script - Stack Overflow What command can be used to check if a directory does or does not exist, within a shell script? ... Grundlefleck wrote: if [ -d $DIRECTORY ]; then Remember to always wrap variables in double quotes when interpolating them in a bash script.