Linux Return Values From Bash Script Stack Overflow
It s not possible to return a value from a bash script If you echo the result the calling process can grab it A numeric can be returned with exit but that s not recommended as this is represents a status code and also some codes are reserved so should not be used
Shell Script Returning A Value From A Bash Function Unix, You cannot return an arbitrary result from a shell function You can only return a status code which is an integer between 0 and 255 While you can pass a larger value to return it is truncated modulo 256 The value must be 0 to indicate success and a different value to indicate failure by convention you should stick to error codes between
What Is The Best Way To Return Number And String From Shell
1 return number from shell function function test1 some handling return 0 2 return string from shell function function test2 some handling echo quot data quot I have a case where I need to return both number and string from shell function 3 return number and string from shell function
Return A Value From Shell Script Into Another Shell Script, In shell scripting you don t return a value but just echo print it and caller would capture the output of your script function to grab the returned value Example dateval date echo dateval Wed Apr 23 18 35 45 EDT 2014 Instead of date you can place your function or your shell script
How To Return Value In Shell Script Function Fedingo
How To Return Value In Shell Script Function Fedingo, How to Return Value in Shell Script Function Here are the different ways to return value in shell script function 1 Using Echo You can echo string at the end of your Shell script function In fact you can echo strings throughout your function if you want Here is an example test sh shell script file
Shell Script PDF
Shell Script How Can A Bash Function Return Multiple Values
Shell Script How Can A Bash Function Return Multiple Values Example1 Function script function mysqlquery local dbserver localhost local dbuser user local dbpass pass local db mydb mysql h quot dbserver quot u quot dbuser quot p quot dbpass quot skip column names raw e quot quot quot db quot if ne 0
Example Of A Simple Shell Script
Bash Function Return Bash functions differ from most programming languages when it comes to returning a value from a function By default bash returns the exit status of the last executed command in the function s body The script below shows how to specify the exit status using return 1 Create a script and name it test sh vim Bash Function amp How To Use It Variables Arguments Return . The simplest way to return a value from a bash function is to just set a global variable to the result Since all variables in bash are global by default this is easy function myfunc myresult some value myfunc echo myresult The code above sets the global variable myresult to the function result Method 1 Sending Function Output to Standard Output Method 2 Leveraging Global Variables Conclusion Bash one of the most popular shell scripting languages handles functions a little differently from what you might expect if you re coming from other programming languages
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