Tag: variable-names

Indirect expansion returns variable name instead of value

bash indirection linux variable-names variables

I am trying to set up some variables using indirect expansion. According to the documentation I’ve read, the set up should be simple: I should be getting “12345”. Instead, the output is “varname”. If I remove the exclamation point, I end up with “qa_ci”, not “12…

Bash command to check if the variable name is valid

linux naming-conventions shell variable-names

and so on the variable name can have only letters , numbers (but not on the beginning),.. and like all the rules for java… Is there any function that I can use ? I do not want to reinvent the wheel… Answer Match the variable name against a regex, like this: