search:linux shell if then else相關網頁資料

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日期:2024-08-08
21 Jun 2010 ... 4 Bash If Statement Examples ( If then fi, If then else fi, If elif else fi, Nested if ). by Sasikala ... The ability to branch makes shell scripts powerful....
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日期:2024-08-08
Unix Shell if...else...fi statement - Learning fundamentals of UNIX in simple and easy ... If we take above example then it can be written in better way using if...else  ......
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日期:2024-08-12
Unix Shell if...elif...fi statement - Learning fundamentals of UNIX in simple and ... 3 ] then Statement(s) to be executed if expression 3 is true else Statement(s) to ... Example: #!/bin/sh a=10 b=20 if [ $a == $b ] then echo "a is equal to b" elif...
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日期:2024-08-05
7.2.1. if/then/else constructs ... interpret strings to the right as shell glob patterns to be matched against the value to ... Here's another example, using two arguments: ... The following example shows how to change the previous script so that...
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日期:2024-08-05
Shell scripts use fairly standard syntax for if statements. The conditional statement is executed using either the test command or the [ command ]. In its most basic form an if statement is: #!/bin/bash if [ "$1" -eq "abc" ] then echo "in if block" fi (No...
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日期:2024-08-07
在linux shell編程中,大多數情況下,可以使用測試命令來對條件進行測試,這裡簡單的介紹下,方便需要的朋友 ... 比如比較字元串、判斷文件是否存在及是否可讀等,通常用"[]"來表示條件測試。註意:這裡的空格很重要。...
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日期:2024-08-06
if..else..fi allows to make choice based on the success or failure of a command. For example, find out if file exists (true condition) or not (false condition) and take  ......
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日期:2024-08-05
There is an space missing between elif and [ : elif[ "$seconds" -gt 0 ]. should be elif [ "$seconds" -gt 0 ]. As I see this question is getting a lot of views, ......