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peregrine is:

• A collection of notes on the Groningen Peregrine computer cluster
• A collection of scripts for the Groningen Peregrine computer cluster
• An R package for some Peregrine functions
• Some presentations on the Groningen Peregrine computer cluster (see below)

• How to run an R script on Peregrine download (.ogv) YouTube
• How to install the pirouette R package on Peregrine download (.ogv) YouTube
• How to run a pirouette example on Peregrine download (.ogv) YouTube

• Running (independent) jobs on the Peregrine computer cluster PDF ODP
• Running jobs with dependencies on the Peregrine computer cluster PDF ODP

The most important function is is_pff: 'Is Peregrine-friendly Filename/Folder'. If this function returns FALSE, one better not uses that path on the Peregrine cluster!

library(peregrine)
library(testthat)

expect_true(is_pff(get_pff_tempdir()))
expect_true(is_pff(get_pff_tempfile()))
expect_false(is_pff("/local/tmp/peregrine_unfriendly"))
expect_false(is_pff("/tmp/peregrine_unfriendly"))

One can use to_pff to convert a filename or folder to its Peregrine-friendly equivalent.

Using scripts/test_is_pff.R.