how to view environment variables
Chris Whitehouse
cwhiteh at onetel.com
Mon Jun 16 23:55:22 UTC 2008
Oliver Fromme wrote:
> Chris Whitehouse wrote:
> > sysutils/fusefs-ntfs/files/README.FreeBSD refers to various environment
> > variables, eg UBLIO_BLOCKSIZE and others. How do I find out what they
> > are set to? set and printenv don't find them. I'm using standard csh and
> > FreeBSD 7.0-STABLE, fuse.ko is loaded and ntfs-3g works except it
> > seems very slow.
>
> The "env" command prints the environment variables of your
> current shell (should work with any shell).
>
> To view the environment variables of another process, use
> something like "ps -ewwp 1234" (1234 being the PID number).
> This requires PROCFS to be mounted on /proc.
>
> Best regards
> Oliver
>
This is the last bit of the puzzle. It does indeed print environment
variables set with 'env VAR=foo prog' but as I've now understood from
previous replies the program doesn't set variables, it uses them if they
are already set, otherwise uses defaults.
Thanks
Chris
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