How do i use variable s value as a dynamic variable name
I want to append SITE to PREFIX to get one of my variable names VAR NAME 1 PROD SITE echo VAR NAME script sh dev dev SITE script sh PROD SITE Awww dev SITE isn t valid but i don t want the caller to need to know the difference So let s make the argument case insensitive so dev will convert to match a variable name
Bash dynamic variable variable names Unix Linux Stack Exchange, Bash dynamic variable variable names Ask ion Asked 8 years 4 months ago Modified 1 year 5 months ago Viewed 93k times 34 I want to dynamically create a sequence of strings by manipulate an array of elements and create some arithmetic procedure
How to dynamically set a variable name in shell script
How to dynamically set a variable name in shell script Ask ion Asked 4 years ago Modified 3 years 4 months ago Viewed 5k times 4 I am looking for a sh equivalent of the following yes really bin bash exe1 filepath n 1 var exe n echo var Where the echo should output filepath I want to use plain sh
Dynamic variable name in shell script Unix Linux Stack Exchange, Dynamic variable name in shell script Ask ion Asked 1 year 9 months ago Modified 1 year 9 months ago Viewed 509 times 1 I am deploying my shell script to a CI pipeline there are three different environment variables defined on CI prod dev test My script managed to return the correct string value based on deployment type
Export a variable with dynamically created name in bash shell script
Export a variable with dynamically created name in bash shell script, Linux Export a variable with dynamically created name in bash shell script Stack Overflow Export a variable with dynamically created name in bash shell script Asked 10 years 10 months ago Modified 10 years 7 months ago Viewed 15k times 5 I want to create a variable with its name partly dynamic and export it from my bash shell script
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Dynamic variables in shell Unix Linux Stack Exchange
Dynamic variables in shell Unix Linux Stack Exchange 3 Answers Sorted by 6 In bash you should use an array to hold the paths as read from the user In general it s better to keep separate strings pathnames separate rather than to concatenate them into a single string that you later have to correctly parse to extract the original constituent strings
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You could use printf v to create variables dynamically for example temp somename echo temp printf v temp Test value echo somename This will output Test value Note that temp date s won t work because the output of date s is numeric and variable names in Bash cannot start with a number How to generate environment variable name dynamically and export it. Trick 1 declare dynamic variables declare is a built function within Bash It is the magic here to define variables with dynamic names A peak of declare s man output declare declare aAfFgiIlnrtux p name value Set variable values and attributes Declare variables and give them attributes 3 Answers Sorted by 10 eval expects a string as the argument You can t use unquoted it has a special meaning in shell i aaa eval i 1 2 Use a string i will expand in double quotes echo aaa 1 You can also use declare or typeset instead of eval declare a i 1 2 You still have to quote the parentheses and spaces
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