Dynamic variable names in Bash

by

I’ve been looking for better way of doing it recently. Associative array sounded like overkill for me. Look what I found:

suffix=bzz
declare prefix_$suffix=mystr

…and then…

varname=prefix_$suffix
echo ${!varname}

More Related Contents:

  1. Why does shell ignore quoting characters in arguments passed to it through variables? [duplicate]
  2. Brace expansion with variable? [duplicate]
  3. What is the meaning of the ${0##…} syntax with variable, braces and hash character in bash?
  4. What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
  5. osascript using bash variable with a space
  6. Why should there be spaces around ‘[‘ and ‘]’ in Bash?
  7. Expansion of variables inside single quotes in a command in Bash
  8. How to use double or single brackets, parentheses, curly braces
  9. Capturing multiple line output into a Bash variable
  10. What is the benefit of using $() instead of backticks in shell scripts? [duplicate]
  11. Bash – variable variables [duplicate]
  12. What is the purpose of “&&” in a shell command?
  13. Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
  14. Using variables inside a bash heredoc
  15. Ternary operator (?:) in Bash
  16. How to remove a newline from a string in Bash
  17. Compound ‘if’ statements with multiple expressions in Bash
  18. Why source command doesn’t work with process substitution in bash 3.2?
  19. Using the && operator in an if statement
  20. bash: $[] vs. $(())
  21. Is it possible to build variable names from other variables in bash? [duplicate]
  22. Bash indirect variable referencing
  23. How to modify a global variable within a function in bash?
  24. bash background process modify global variable
  25. Expand variables in sed
  26. bash piping prevents global variable assignment
  27. Rsync syntax error when run from bash script
  28. Left side of pipe is the subshell?
  29. Loop over array, preventing wildcard expansion (*)
  30. What is the proper way to test a Bash function’s return value?

Leave a Comment