How to echo a dynamic variable's content in shell script ? Current output: Desired output: Answer Use eval:

How to echo a dynamic variable’s content in shell script

Jahid

edited 17 Dec, 2015

How to echo a dynamic variable’s content in shell script ?

i=1
declare  x$i=help
echo  $(echo x$i)
echo $x$i

JavaScript
​x
 
i=1declare  x$i=helpecho  $(echo x$i)echo $x$i​

Current output:

x1  
1

JavaScript
 
x1  1​

Desired output:

help

JavaScript
 
help​

Use eval:

i=1
declare  x$i=help
eval "echo $x$i"

JavaScript
 
i=1declare  x$i=helpeval "echo $x$i"​