Double-check a long path and find errors faster.
user@host:~$ fpc /srv/users/shared/brain_masks/mnimask_thresh_clean.nii.gz
path exists up to '/srv/users/shared/brain_masks'
==========| 'mnimask_thresh_clean.nii.gz' does not exist
user@host:~$ fpc /srv/users/shared/brain_masks/mnimask_thresh_clean.nii
user@host:~$
In this case, /srv/users/shared/brain_masks/mnimask_thresh_clean.nii actually exists.
You can also use in more programmatic ways:
user@host:~$ pushd $(fpc /var/folders/zb/asdfalsdfsadfasdkfasjdfalsdkfa/T/tmp.8BMZGDoS/notDir --parseable)
/var/folders/zb/asdfalsdfsadfasdkfasjdfalsdkfa/T/tmp.8BMZGDoS ~
user@host:tmp.8BMZGDoS$
Designed to take one argument, the path to be checked. Returns 66 if a file or directory is not found, or 77 if there is a permissions error, and outputs report to stdout. If no error is found, return value is 0.
With the --parseable option, simply dumps the last reachable path to stdout.
Designed for 'ppc' file to be sourced in your bashrc, or copied in.
Checks for permissions. Like fpc, but takes a first argument -r,-w, or -x, and checks the file for this permission, in addition to existence. sample usage:
user@host:~$ ppc -r /srv/users/shared/brain_masks/mnimask_thresh_clean.nii.gz
Some existing tools you can use for directory checking that are very robust and useful, but behave differently:
Absolutely fantastic for symlinks or debugging complex permissions issues. It lists directories vertically from bottom to top instead of as a chunk like fpc, but maybe that's what you're looking for! Also uses error code 1 for all errors, instead of 66 (file/dir not found) and 77(permissions error) like fpc.