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The doc says that scripts can be executed with : geth --exec 'loadscript("script.js")' attach, but in the example script they give right after, they say to use geth js script.js 2>>geth.log.

What is the difference between the two ?

  • I believe those are two ways of doing the same thing. – user5135 Dec 1 '16 at 18:14
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You can reference this document for most of your Geth command line needs.

  --exec value           Execute JavaScript statement (only in combination with console/attach)
  • Thank you ! Any ideas what the 2 in 2>>geth.log means ? I still have a lot of blur around javascript execution. How do I pass arguments (can I) ? How do I return values ? Why are a lot of commands of the js console not authorized in scripts, and which one are authorized exactly ? The only doc I managed to find around scripts explicitly is the very long example script, with no explanation at all. Do you know anywhere I could find more detailed help ? – Teleporting Goat Dec 1 '16 at 23:32

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