tree 1b0a5f63cde977dae2ce4d77d8c7f033b9afcc4d
parent 3c4869a2d88e43f961914dfb309ffe76dff8226d
author Michael Walsh <micwalsh@us.ibm.com> 1563377835 -0500
committer George Keishing <gkeishin@in.ibm.com> 1563460100 +0000

TCL print_var support for unset variable

If var_value is not defined, catch the error and print its value as
"** variable not set **".

Change-Id: I437ce0c08dd17e92704776e58e8aaf55de4141fa
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>