On Sat, 12 Dec 2009, Bernd Eggink wrote: > Am 12.12.2009 02:11, schrieb Matthew Woehlke: > > konsolebox wrote: > > > I hope the development team will also consider adding a way in bash to > > > declare global variables inside a function perhaps either with an > > > option in typeset or declare like -g (same as zsh) and/or a builtin > > > function like global as similar to local. > > > > I thought variables in functions were /always/ global unless declared > > local? > > It's the other way round. Regarding typeset and declare, the man page says: " > When used in a function, makes each name local, as with the local command. " > So within a function, typeset, declare, and local are synonyms. Using 'local' > outside a function is an error, so IMHO this command is completely redundant. > It _would_ make some sense, however, if its counterpart 'global' existed, as > it could help clarify the intended usage of the variable.
Of the three, local is the only command I use. It says exactly what it does. -- Chris F.A. Johnson, webmaster <http://woodbine-gerrard.com> =================================================================== Author: Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress) Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)