force:data:tree:export fails if username contains a whitespace

Summary

force:data:tree:export fails if the username contains a space.

Steps To Reproduce:

1. Have a Windows user where the username contains a whitespace (e.g. Time Lord)
2. Run this command sfdx force:data:tree:export -q "SELECT Name, Location__Latitude__s, Location__Longitude__s FROM Account WHERE Location__Latitude__s != NULL AND Location__Longitude__s != NULL" -d ./data

Expected result

This should export the data defined by the query.

Actual result

‘C:\Users\Time’ is not recognized as an internal or external command, operable program or batch file.

Additional information

SFDX CLI Version sfdx-cli/6.55.1-be0b3dc4c4 (windows-x64) node-v8.9.4

SFDX plugin Version @salesforce/plugin-generator 1.0.1 (core) @salesforce/sfdx-trust 2.0.1 (core) builtins 1.0.0 (core) salesforcedx 45.4.1 (core)

OS and version: Microsoft Windows [Version 10.0.17134.590]

[LaszloFoldi]

@rbergman I just did a clean install, and I still get this error.

[rbergman]

@LaszloFoldi If you ran sfdx update to get v7, that’s not enough to fix this issue. Unless you have already, can you download and run a fresh v7 installer and try again?