[Nottingham] Bash Variables
Mike.Haber at nottingham.ac.uk
Fri Aug 1 14:24:37 BST 2008
Just had a query from a colleague that I can't answer and is
When using bash and exporting variables, is there a way of listing the
previous values that a variable contained?
For example if a script is run that contains 'export foo=bar' can the
previous values for $foo be accessed after the script has run?
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