Error(s) in re-building vignettes:
--- re-building 'datatable-benchmarking.Rmd' using knitr
--- finished re-building 'datatable-benchmarking.Rmd'

--- re-building 'datatable-faq.Rmd' using knitr
--- finished re-building 'datatable-faq.Rmd'

--- re-building 'datatable-fread-and-fwrite.Rmd' using knitr
Der Befehl "grep" ist entweder falsch geschrieben oder
konnte nicht gefunden werden.

Quitting from datatable-fread-and-fwrite.Rmd:36-50 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
External command failed with exit code 1. This can happen when the disk is full in the temporary directory ('D:\temp\2026_06_06_01_50_00_18785\RtmpOkfjOS'). See ?fread for the tmpdir argument.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Quitting from datatable-fread-and-fwrite.Rmd:36-50 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fread("grep -v HEADER example_data.txt")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'datatable-fread-and-fwrite.Rmd' failed with diagnostics:
External command failed with exit code 1. This can happen when the disk is full in the temporary directory ('D:\temp\2026_06_06_01_50_00_18785\RtmpOkfjOS'). See ?fread for the tmpdir argument.
--- failed re-building 'datatable-fread-and-fwrite.Rmd'

--- re-building 'datatable-importing.Rmd' using knitr
--- finished re-building 'datatable-importing.Rmd'

--- re-building 'datatable-intro.Rmd' using knitr
--- finished re-building 'datatable-intro.Rmd'

--- re-building 'datatable-joins.Rmd' using knitr
--- finished re-building 'datatable-joins.Rmd'

--- re-building 'datatable-keys-fast-subset.Rmd' using knitr
--- finished re-building 'datatable-keys-fast-subset.Rmd'

--- re-building 'datatable-programming.Rmd' using knitr
--- finished re-building 'datatable-programming.Rmd'

--- re-building 'datatable-reference-semantics.Rmd' using knitr
--- finished re-building 'datatable-reference-semantics.Rmd'

--- re-building 'datatable-reshape.Rmd' using knitr
--- finished re-building 'datatable-reshape.Rmd'

--- re-building 'datatable-sd-usage.Rmd' using knitr
--- finished re-building 'datatable-sd-usage.Rmd'

--- re-building 'datatable-secondary-indices-and-auto-indexing.Rmd' using knitr
--- finished re-building 'datatable-secondary-indices-and-auto-indexing.Rmd'

SUMMARY: processing the following file failed:
  'datatable-fread-and-fwrite.Rmd'

Error: Vignette re-building failed.
Execution halted