I can't see why each line needs to be parsed...
`line' contains:
macname contents of macro
"contents of macro" can be assigned to the global $macname by the statement:
global macname contents of macro
or in other words
global `line'
David
[email protected]
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: 31 January 2005 14:31
To: [email protected]
Subject: st: AW: RE: saving contents of macros
David,
I didn't know of
{local | global} macname : all {globals|scalars|matrices} ["pattern"]
which brings me to the conclusion that especially with Stata 8.2 one should
always lookfor the online help, and never content oneself with the printed manuals.
Thanks for the hint!
In your -macload-, one shouldn't forget to parse the lines read in order
to separate macname from value to store the value in macname, like e.g.:
local `:word 1 of `line'' `=trim(substr("`line'", length("`:word 1 of `line''")+1,.))'
which should be inserted after each
file read `fh' line
This works with stored macro values of up to 80 characters (244 characters in SE).
For longer values, there are workarounds.
If you would like to capture the macros local to any ado,
you'd have to integrate your code into this ado, or
pass the macros and their values via -return- (which may be even
more complicated).
Dankwart
> -----Urspr�ngliche Nachricht-----
> Von: [email protected]
> [mailto:[email protected]] Im Auftrag von
> David Harrison
> Gesendet: Montag, 31. Januar 2005 14:04
> An: [email protected]
> Betreff: st: RE: saving contents of macros
>
>
> I think there is an inherent problem in trying to do this for
> locals in that the locals that are active at any point in
> time cannot be seen by any program you call (by virtue of
> being local). So I can't see how any program can produce a
> list of "current" locals (they cease to be "current" as soon
> as the program is called).
>
> To do the saving/loading for globals is fairly easy, e.g. two
> not-extensively-tested commands -macsave- and -macload-
> below. Basic syntax (to save/load all globals) is -macsave
> filename.txt- and -macload filename.txt-. The option
> -pattern()- allows you to only save those that match a
> certain pattern, e.g. "A*", and the option -replace- allows
> filename.txt to be overwritten.
>
> Hope this helps,
>
> David
> [email protected]
>
>
> prog macsave
> version 8
> local 0 `"using `0'"'
> syntax using [, replace Pattern(string asis)]
> qui {
> tempname fh
> file open `fh' `using', write `replace'
> local glob : all globals `pattern'
> foreach g of local glob {
> file write `fh' `"`g' $`g'"' _n
> }
> file close `fh'
> }
> end
>
> prog macload
> version 8
> local 0 `"using `0'"'
> syntax using
> tempname fh
> file open `fh' `using', read
> file read `fh' line
> while r(eof)==0 {
> global `line'
> file read `fh' line
> }
> file close `fh'
> end
>
>
> Michael Ganz wrote:
> Hello,
>
> I've looked high and low but I can't find anything on this:
> Is there a way to save the contents of all of the global and local
> macros
> currently in memory to a file so that they can be restored
> later after
> restarting Stata?
>
> Thanks,
> Michael
>
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
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