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![Assign the returned value of a function to a variable in unix ...]()
stackoverflow.com2012年10月16日 - The value returned by the function is stored in $? , and is not captured by $() . In other words: testfunction() { k=5; echo 3; return $k; } val=$(testfunction) ...瀏覽：1302 -
![Returning a value from a bash function - Unix & Linux]()
unix.stackexchange.com2013年9月15日 - Functions in bash can only return exit codes. The command substitution, conversely, is used to get the standard output of a command or ...瀏覽：879
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日期：2025-04-28
2009年9月11日 - When a bash function ends its return value is its status: zero for ... In this way i can call the function in any script position and verify the result....
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日期：2025-04-28
bin/bash # Functions and parameters DEFAULT=default # Default param value. .... This mechanism effectively permits script functions to have a "return value" ......
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日期：2025-04-28
2010年1月12日 - The return command causes a function to exit with the return value ... bin/bash # version 1.0 # Purpose: Determine if current user is root or not ......
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日期：2025-04-23
Syntax: function name(parameter 1,parameter 2,...) {// set of statements that will be executed return thevalue;} A function can also return a value after doing the specified operations. To explain, we would consider a requirement where we have to calculat...
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日期：2025-04-26
im using bourne shell. In file scriptA i add a new function, test_return() test_return
() { a=1 return $a } when i try execute , a='/''/scriptA test_return...
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日期：2025-04-27
Function testing is a critical part of software development -- and Bash, which is already loaded in Linux and ready to go, can help you do it quickly and easily. In this article, Angel Rivera explains how to use Bash shell scripts to perform function test...
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日期：2025-04-26
There is a situation I have 2 shell script. The second shell script contains all the common function second.sh func1 func2 The first.sh shell script will call the second shell script with ......
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日期：2025-04-26
As others have noted, shell_exec and the backtick operator (`) both return NULL if the executed command doesn't output anything. This can be worked around by doing anything like the following: shell_exec ("silentcmd && echo ' '"); Here we're simply output...
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