st: label wide format variables with same label for different years

[<I.Roland@lse.ac.uk>]

Dear Statalisters,

My data is in wide format and I would like to give the same label to several variables in different years.

Example: 

income_2013       income_2012
10                             8

I want to label both income_2013 and income_2012 as "income". Since I have many years, I am looking for a way of doing this with one command line instead of

label variable income_2013 "income"
label variable income_2012 "income"

I intuitively tried

label variable income_* "income" but this does not work, and I could not find an answer online.

Thank you for your help with this!
Isa

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