Search for SSH clients on the current system
Arguments
- which
A character vector specifying which types of SSH clients to search for, e.g.
"ssh","putty-plink", and"rstudio-ssh". It may also specify an HPC job-scheduler command, i.e."srun","qrsh", and"pjrsh", or"hpc", which infers which of these three to use from the job environment of the current R process. If NULL, a default set of clients supported by the current platform is searched for.- first
If TRUE, the first client found is returned, otherwise all located clients are returned.
- must_work
If TRUE and no clients was found, then an error is produced, otherwise only a warning.
Value
A named list of pathnames to all located SSH clients.
The pathnames may be followed by zero or more command-line options,
i.e. the elements of the returned list are character vectors of length
one or more.
If first = TRUE, only the first one is returned.
Attribute version contains the output from querying the
executable for its version (via command-line option -V).