st: Creating single characters from long strings

["Andri Rauch" <Andri.Rauch@insel.ch>]

Dear all,
I should create single characters from very long strings (ie around 500
characters).
My original variable abcdefg... should be transformed to:
variable_1: a, variable_2: b, variable_3: c, variable_4: d and so on...

I assume it should be done by combining the substring and foreach
command.

Hope that someone can help,

Thanks in advance
Andri

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