shell script if -o
#!/bin/sh argc=$# echo $argc if [ $argc -eq 0 -o $argc -eq 1 ]; then echo "foo" else echo "bar" fi. I don't think sh supports "==". Use "=" to compare ...,If you want to say OR use double pipe ( || ). if [ "$fname" = "a.txt" ] || [ "$fname" = "c.txt" ]. (The original OP code using | was simply piping the output of the left side ...
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 shell script if -o 相關參考資料
Bash Shell Script教學與心得 - Google Sites
Shell Script主要用途就是用來協助使用者在UNIX or Linux環境上, 以更方便, 更自動化的方式來執行 ... 從這邊開始, 我們將開始進入一些shell script的判斷, 就是說我們會利用到if-then-else的一些判斷, ... 所以另外一個-o (寄是代表or) 就會類似這樣了: https://sites.google.com How to do a logical OR operation in shell scripting - Stack ...
#!/bin/sh argc=$# echo $argc if [ $argc -eq 0 -o $argc -eq 1 ]; then echo "foo" else echo "bar" fi. I don't think sh supports "==". Use "=" to compare ... https://stackoverflow.com In a bash script, using the conditional "or" in an "if" statement ...
If you want to say OR use double pipe ( || ). if [ "$fname" = "a.txt" ] || [ "$fname" = "c.txt" ]. (The original OP code using | was simply piping the output of... https://unix.stackexchange.com Introduction to if
The TEST-COMMAND list is executed, and if its return status is zero, the ... [ -o OPTIONNAME ], True if shell option "OPTIONNAME" is enabled. [ -z STRING ], True ... http://tldp.org MyFirstBlog: [shell script] 基本語法
set -- 或者 set - 常常用在shell scripts裡面。 set -o 是很常用的例如set -o vi ... if else. t.sh : #!/bin/bash num=$1 if [ "$num}" == "XD" ]; then echo ... http://kuoyl3486.blogspot.com Shell Programming
UNIX Shell Script 的內容為UNIX指令與一些控制及迴圈指令的組合。 UNIX Shell Scirpt ... if控制迴圈中的condition值只有真(0)與偽(none zero)兩種，test指令(or [])提供了判斷真與假的功能。 ... ftp linux目錄下的inp.c，Compile with " cc -o inp inp.c " http://nmc.nchu.edu.tw What does -o mean in an "if"? - Unix & Linux Stack Exchange
3 Answers. As you can see in the Linux Documentation Project page about if, -o stands for the logical operator OR. In your case, the variable sorszam is checked whether it equals to 1, 2, or 3. As you... https://unix.stackexchange.com [Shell Script] 簡單說明@ 黃昏的甘蔗:: 隨意窩Xuite日誌
echo -n "你確定要刪除所有htdocs 目錄內的檔案嗎？ (y/n) ?" read check if [ "$check" == "Y" -o "$check" == "y" ]; then rm ... https://blog.xuite.net 鳥哥的Linux 私房菜-- 學習Shell Scripts
關於程序的邏輯標籤！ -G. 偵測是否由GID 所執行的程序所擁有. -O. 偵測 ... http://linux.vbird.org 鳥哥的Linux 私房菜-- 第十二章、學習Shell Scripts
基本上， shell script 有點像是早期的批次檔，亦即是將一些指令彙整起來 ... 是否存在啊？ read -p "Please input a directory: " dir if [ "$dir}" == "" -o ! http://linux.vbird.org |