urbanij/gtkwave_macOS_cli_instructions.md

## gtkwave_macOS_cli_instructions.md

      
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              gtkwave_macOS_cli_instructions.md
            
          
    GTKWave from CLI on macOS (Catalina)

based on this article https://ughe.github.io/2018/11/06/gtkwave-osx (which does not work for me, as is)

Motivation


While installing and running GTKWave is straightforward on macOS, it is slightly more difficult to get the command line tool running properly:

$ /Applications/gtkwave.app/Contents/Resources/bin/gtkwave
Can't locate Switch.pm in @INC (you may need to install the Switch module) (@INC contains: /Library/Perl/5.18/darwin-thread-multi-2level /Library/Perl/5.18 /Network/Library/Perl/5.18/darwin-thread-multi-2level /Network/Library/Perl/5.18 /Library/Perl/Updates/5.18.4 /System/Library/Perl/5.18/darwin-thread-multi-2level /System/Library/Perl/5.18 /System/Library/Perl/Extras/5.18/darwin-thread-multi-2level /System/Library/Perl/Extras/5.18 .) at /Applications/gtkwave.app/Contents/Resources/bin/gtkwave line 2.
BEGIN failed--compilation aborted at /Applications/gtkwave.app/Contents/Resources/bin/gtkwave line 2.


Fix

you need the same version of Perl that gtkwave uses under the hood, seemingly 5.18.
brew install perl@5.18
then follow what the article suggests with slightly modified commands, according to the version of Perl
/usr/local/Cellar/perl@5.18/5.18.4_1/bin/cpan install Switch
sudo cp /usr/local/Cellar/perl@5.18/5.18.4_1/lib/site_perl/5.18.4/Switch.pm /Library/Perl/5.18/
ln -s /Applications/gtkwave.app/Contents/Resources/bin/gtkwave /usr/local/bin
done, now you call gtkwave from any location.
Nov 26, 2021