short

I wan't to disable access to a variable and throw an exception if it's tried.

I was thinking of implementing it with Tie::Scalar and already found Tie::Watch after googling duck'ing for "tie watch" (sic)

Another approach might be keeping the variable undefined and to catch the warning in $SIG{__WARN__}

Questions:

• best practices?
• other recommendations?
• ideas?

long

I'm migrating a rather complicated CGI and am gradually introducing new abstractions/variables especially for SQL table names.

Since I have to test the code little by little I want to avoid accidental execution of parts which are still under construction.

That's why I already did a general search and replace and introduced global dummy variables like s/table_X_Y_tree/table_${TABLE_FAMILIY}_tree/g

This "works" already, I get warnings and SQL-queries fails.

A watch expression might be better though.