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Top Forums Shell Programming and Scripting Test if a script can cd into a directory Post 302836891 by MadeInGermany on Wednesday 24th of July 2013 09:23:06 PM
Old 07-24-2013
I vote for
Code:
test -d "$dir"/.

This fosters an autofs mount or an AFS volume mount, so is as safe as an actual cd. No need for an additional test -x.
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AUTOFS(5)						      BSD File Formats Manual							 AUTOFS(5)

NAME
autofs -- automounter filesystem SYNOPSIS
To compile this driver into the kernel, place the following line in the kernel configuration file: options AUTOFS Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): autofs_load="YES" DESCRIPTION
The autofs driver is the kernel component of the automounter infrastructure. Its job is to pass mount requests to the automountd(8) daemon, and pause the processes trying to access the automounted filesystem until the mount is completed. It is mounted by the automount(8). OPTIONS
These options are available when mounting autofs file systems: master_options Mount options for all filesystems specified in the map entry. master_prefix Filesystem mountpoint prefix. EXAMPLES
To unmount all mounted autofs filesystems: umount -At autofs To mount autofs filesystems specified in auto_master(5): automount SEE ALSO
auto_master(5), automount(8), automountd(8), autounmountd(8) HISTORY
The autofs driver first appeared in FreeBSD 10.1. AUTHORS
The autofs was developed by Edward Tomasz Napierala <trasz@FreeBSD.org> under sponsorship from the FreeBSD Foundation. BSD
September 3, 2014 BSD
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