diff options
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/command/set.rst | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/Help/command/set.rst b/Help/command/set.rst index aeb88b3..fa635c6 100644 --- a/Help/command/set.rst +++ b/Help/command/set.rst @@ -27,11 +27,12 @@ Set Normal Variable If the ``PARENT_SCOPE`` option is given the variable will be set in the scope above the current scope. Each new directory or :command:`function` command creates a new scope. A scope can also be created with the - :command:`block` command. This command will set the value of a variable into - the parent directory, calling function or encompassing scope (whichever is - applicable to the case at hand). The previous state of the variable's value - stays the same in the current scope (e.g., if it was undefined before, it is - still undefined and if it had a value, it is still that value). + :command:`block` command. ``set(PARENT_SCOPE)`` will set the value + of a variable into the parent directory, calling function, or + encompassing scope (whichever is applicable to the case at hand). + The previous state of the variable's value stays the same in the + current scope (e.g., if it was undefined before, it is still undefined + and if it had a value, it is still that value). The :command:`block(PROPAGATE)` and :command:`return(PROPAGATE)` commands can be used as an alternate method to the :command:`set(PARENT_SCOPE)` |