GNU Radio Compainon 0.70

According to the description of the new GRC 0.70 release:

File Format - Saved flow graphs from previous releases lack the

necessary information to be used with the new block definitions.
Therefore, older saved flow graphs are incompatible with this release.
To alleviate problems, an xml validator will automatically reject older
saved flow graphs.

Although I think the new capabilities are a great idea, I find this
incompatibility to be very unsatisfactory. At this point, I have a
large library of Gnu Radio designs using GRC, and don’t want to have to
re-enter them by hand all over again. You shouldn’t abandon your users
like that. There should either be a converter program to upgrade the xml
files with info from the new templates, or an “import” option in GRC for
ingesting old xml files.

I think GRC is a great product. It acts as a “force multiplier”,
allowing a great deal more productivity in an R&D environment than
having to code changes in Python each time you want to try something
new.

@(^.^)@ Ed

Ed,

The 0.70 will work fine with existing saved files. Its the same as the
0.69 with some fixes and other blocks.

That html doc was for the work in progress which is far from release
(but you can try it!).

I really dont want to break any old flow graphs. I will look into a
converter program that looks at each block in an older flow graph and
finds the new block that is the closest match (name wise) and copies the
parameters in order. Something like that…

-Josh

Josh B. wrote:

The 0.70 will work fine with existing saved files. Its the same as the
0.69 with some fixes and other blocks.

Glad to hear it!

I really dont want to break any old flow graphs. I will look into a
converter program that looks at each block in an older flow graph and
finds the new block that is the closest match (name wise) and copies the
parameters in order. Something like that…

That sounds perfectly reasonable. Thanks for the quick response!

@(^.^)@ Ed

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