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Error while running R from command line.

Hi everyone, My R was working just fine on my command line until I tried to upgrade it with brew so I can install an R package that wasnt getting installed. After I upgraded r using brew upgrade r I encountered this error when I tried to call r again after the upgrade and I am not sure whats going on or how to return it back to how it was. will appreciate your help.

$ r

dyld: Library not loaded: /usr/local/opt/gcc/lib/gcc/7/libgfortran.4.dylib Referenced from: /usr/local/Cellar/r/3.4.3/lib/libR.dylib Reason: image not found Trace/BPT trap: 5

r version upgrade r-package installation
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updated by mbelmadani mbelmadani • written by jaqx008 jaqx008

Hello jaqx008!

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Not a bioinformatics question, please search StackOverflow

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written by Ram Ram

1 answer

This looks like a Mac/OSX specific issue. The upgrade seems to have broken some existing packages, and often the best thing to do is to re-install from scratch. See these similar threads:

https://stackoverflow.com/questions/12323252/brew-doctor-dyld-library-not-loaded-error-no-available-formula-for-zlib
https://stackoverflow.com/questions/38467653/r-is-broken-with-dyld-library-not-loaded-rpath-libpcre-1-dylib

Try a complete uninstall of R, and then re-install. You may want to peek at your package install directory and make a list of packages you had to facilitate re-installing them (/usr/local/Cellar/r/<version>/R.framework/Resources/library, according to a comment from this since you can't load R anymore, replace <version> with the version you had.)

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written by mbelmadani mbelmadani

Sounds like a plan. Let me try this out

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written by jaqx008 jaqx008

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