[Sony Cross-Device General] ernieg92:
Here is the output with the trailing slash. Still a big difference between the sdcard/sdcard1 and $INTERNAL/$EXTERNAL_STORAGE.

shell@SGP311:/ $ su
root@SGP311:/ # ls -la $EXTERNAL_STORAGE/
drwxrwx--- root sdcard_r 2015-07-26 01:53 .HhTjqSRo6dybqDAV2ImUSREmnZU=
drwxrwx--- root sdcard_r 2015-07-26 18:24 .eCtcQjbu1dgnvtFnvnr6yepTp1M=
drwxrwx--- root sdcard_r 2015-07-28 19:31 .estrongs
-rw-rw---- root sdcard_r 835945 2015-07-26 02:05 .tempLockScreenWallpaper
drwxrwx--- root sdcard_r 2015-04-08 04:43 Alarms
drwxrwx--x root sdcard_r 2015-04-08 04:43 Android
drwxrwx--- root sdcard_r 2015-07-26 22:49 Books
drwxrwx--- root sdcard_r 2015-07-25 03:01 DCIM
drwxrwx--- root sdcard_r 2015-07-26 02:12 DevexpertNET
drwxrwx--- root sdcard_r 2015-07-27 13:58 Download
drwxrwx--- root sdcard_r 2015-07-27 18:35 Folder
drwxrwx--- root sdcard_r 2015-07-27 18:35 Folder2
drwxrwx--- root sdcard_r 2015-07-25 02:07 MEGA
drwxrwx--- root sdcard_r 2015-04-08 04:43 Movies
drwxrwx--- root sdcard_r 2015-07-25 00:51 Music
drwxrwx--- root sdcard_r 2015-04-08 04:43 Notifications
drwxrwx--- root sdcard_r 2015-04-08 04:43 Pictures
drwxrwx--- root sdcard_r 2015-04-08 04:43 Podcasts
drwxrwx--- root sdcard_r 2015-04-08 04:43 Ringtones
lstat '/storage/emulated/legacy//TWRP' failed: Permission denied
drwxrwx--- root sdcard_r 2015-07-28 01:03 TitaniumBackup
drwxrwx--- root sdcard_r 2015-07-26 22:47 WD My Cloud
drwxrwx--- root sdcard_r 2015-07-25 00:30 airdroid
drwxrwx--- root sdcard_r 2015-07-25 03:38 backups
lstat '/storage/emulated/legacy//clockworkmod' failed: Permission denied
-rw-rw---- root sdcard_r 145 2015-07-28 21:13 customized-capability.xml
drwxrwx--- root sdcard_r 2015-07-28 00:58 data
-rw-rw---- root sdcard_r 14336 2015-07-28 21:13 default-capability.xml
drwxrwx--- root sdcard_r 2015-07-26 22:49 kindle
drwxrwx--- root sdcard_r 2015-07-24 20:07 media
drwxrwx--- root sdcard_r 2015-07-27 14:03 mysword
-rw-rw---- root sdcard_r 16638 2015-07-26 22:27 settings-4.k9s
root@SGP311:/ # ls -la $INTERNAL_STORAGE/
drwxr-xr-x root root 1972-02-08 02:08 acct
drwxrwx--- system cache 1972-02-08 02:08 cache
lrwxrwxrwx root root 1969-12-31 18:00 charger -> /sbin/healthd
dr-x------ root root 1972-02-08 02:08 config
-rw-r--r-- root root 18 1969-12-31 18:00 crashtag
lrwxrwxrwx root root 1972-02-08 02:08 d -> /sys/kernel/debug
drwxrwx--x system system 1972-02-08 02:08 data
-rw-r--r-- root root 518 1969-12-31 18:00 default.prop
drwxr-xr-x root root 2015-07-28 18:31 dev
lrwxrwxrwx root root 1972-02-08 02:08 etc -> /system/etc
-rw-r--r-- root root 47853 1969-12-31 18:00 file_contexts
drwxrwx--x system system 1972-02-08 02:08 firmware
-rw-r--r-- root root 475 1969-12-31 18:00 fstab
-rw-r----- root root 1445 1969-12-31 18:00 fstab.qcom
-rwxr-x--- root root 248192 1969-12-31 18:00 init
-rwxr-x--- root root 2614 1969-12-31 18:00 init.class_main.sh
-rwxr-x--- root root 1187 1969-12-31 18:00 init.environ.rc
-rwxr-x--- root root 6758 1969-12-31 18:00 init.qcom.class_core.sh
-rwxr-x--- root root 5604 1969-12-31 18:00 init.qcom.early_boot.sh
-rwxr-x--- root root 23433 1969-12-31 18:00 init.qcom.rc
-rwxr-x--- root root 2088 1969-12-31 18:00 init.qcom.rmnet.sh
-rwxr-x--- root root 3570 1969-12-31 18:00 init.qcom.sh
-rwxr-x--- root root 3107 1969-12-31 18:00 init.qcom.syspart_fixup.sh
-rwxr-x--- root root 22414 1969-12-31 18:00 init.rc
-rwxr-x--- root root 1613 1969-12-31 18:00 init.sony-device.rc
-rwxr-x--- root root 13153 1969-12-31 18:00 init.sony-platform.rc
-rwxr-x--- root root 4181 1969-12-31 18:00 init.sony.rc
-rwxr-x--- root root 8716 1969-12-31 18:00 init.target.rc
-rwxr-x--- root root 1927 1969-12-31 18:00 init.trace.rc
-rwxr-x--- root root 3885 1969-12-31 18:00 init.usb.rc
-rwxr-x--- root root 2498 1969-12-31 18:00 init.usbmode.sh
-rwxr-x--- root root 434 1969-12-31 18:00 init.zygote32.rc
-rw-r--r-- root root 24120 1969-12-31 18:00 logo.rle
drwxr-xr-x root root 1969-12-31 18:00 lta-label
drwxrwxr-x root system 1972-02-08 02:08 mnt
dr-xr-xr-x root root 1969-12-31 18:00 proc
-rw-r--r-- root root 5379 1969-12-31 18:00 property_contexts
drwxr-xr-x root root 1969-12-31 18:00 res
drwx------ root root 2015-04-08 04:43 root
drwxr-x--- root root 2009-01-02 07:00 sbin
lrwxrwxrwx root root 1972-02-08 02:08 sdcard -> /storage/emulated/legacy
lrwxrwxrwx root root 1972-02-08 02:08 sdcard1 -> /storage/sdcard1
-rw-r--r-- root root 803 1969-12-31 18:00 seapp_contexts
-rw-r--r-- root root 74 1969-12-31 18:00 selinux_version
-rw-r--r-- root root 219825 1969-12-31 18:00 sepolicy
-rw-r--r-- root root 11425 1969-12-31 18:00 service_contexts
drwxr-x--x root sdcard_r 1972-02-08 02:08 storage
dr-xr-xr-x root root 1972-02-08 02:08 sys
drwxr-xr-x root root 2015-07-26 17:39 system
lrwxrwxrwx root root 1972-02-08 02:08 tmp -> /dev/socket
drwxr-xr-x root root 2015-07-28 18:29 tmp-mksh
-rw-r--r-- root root 9979 1969-12-31 18:00 ueventd.qcom.rc
-rw-r--r-- root root 4498 1969-12-31 18:00 ueventd.rc
lrwxrwxrwx root root 1972-02-08 02:08 usbdisk -> /storage/usbdisk
lrwxrwxrwx root root 1972-02-08 02:08 vendor -> /system/vendor
root@SGP311:/ # cd sdcard
root@SGP311:/sdcard # ls -la
drwxrwx--- root sdcard_r 2015-07-26 01:53 .HhTjqSRo6dybqDAV2ImUSREmnZU=
drwxrwx--- root sdcard_r 2015-07-26 18:24 .eCtcQjbu1dgnvtFnvnr6yepTp1M=
drwxrwx--- root sdcard_r 2015-07-28 19:31 .estrongs
-rw-rw---- root sdcard_r 835945 2015-07-26 02:05 .tempLockScreenWallpaper
drwxrwx--- root sdcard_r 2015-04-08 04:43 Alarms
drwxrwx--x root sdcard_r 2015-04-08 04:43 Android
drwxrwx--- root sdcard_r 2015-07-26 22:49 Books
drwxrwx--- root sdcard_r 2015-07-28 21:15 DCIM
drwxrwx--- root sdcard_r 2015-07-26 02:12 DevexpertNET
drwxrwx--- root sdcard_r 2015-07-28 21:27 Download
drwxrwx--- root sdcard_r 2015-07-27 18:35 Folder
drwxrwx--- root sdcard_r 2015-07-27 18:35 Folder2
drwxrwx--- root sdcard_r 2015-07-25 02:07 MEGA
drwxrwx--- root sdcard_r 2015-04-08 04:43 Movies
drwxrwx--- root sdcard_r 2015-07-25 00:51 Music
drwxrwx--- root sdcard_r 2015-04-08 04:43 Notifications
drwxrwx--- root sdcard_r 2015-04-08 04:43 Pictures
drwxrwx--- root sdcard_r 2015-04-08 04:43 Podcasts
drwxrwx--- root sdcard_r 2015-04-08 04:43 Ringtones
lstat './TWRP' failed: Permission denied
drwxrwx--- root sdcard_r 2015-07-28 01:03 TitaniumBackup
drwxrwx--- root sdcard_r 2015-07-26 22:47 WD My Cloud
drwxrwx--- root sdcard_r 2015-07-25 00:30 airdroid
drwxrwx--- root sdcard_r 2015-07-25 03:38 backups
lstat './clockworkmod' failed: Permission denied
-rw-rw---- root sdcard_r 145 2015-07-28 21:13 customized-capability.xml
drwxrwx--- root sdcard_r 2015-07-28 00:58 data
-rw-rw---- root sdcard_r 14336 2015-07-28 21:13 default-capability.xml
drwxrwx--- root sdcard_r 2015-07-26 22:49 kindle
drwxrwx--- root sdcard_r 2015-07-24 20:07 media
drwxrwx--- root sdcard_r 2015-07-27 14:03 mysword
-rw-rw---- root sdcard_r 16638 2015-07-26 22:27 settings-4.k9s
root@SGP311:/sdcard # cd /sdcard1
root@SGP311:/sdcard1 # ls -la
drwxrwx--- root sdcard_r 2015-07-24 14:51 .HhTjqSRo6dybqDAV2ImUSREmnZU=
lstat './.android_secure' failed: Permission denied
drwxrwx--x root sdcard_r 2014-08-30 22:52 Android
drwxrwx--- root sdcard_r 2015-06-07 15:23 DCIM
drwxrwx--- root sdcard_r 2015-04-16 18:49 Documents
drwxrwx--- root sdcard_r 2015-06-07 15:23 Download
drwxrwx--- root sdcard_r 2015-07-28 21:36 Folder
drwxrwx--- root sdcard_r 2013-08-17 16:57 Media
drwxrwx--- root sdcard_r 2013-08-17 16:57 Misc
drwxrwx--- root sdcard_r 2013-08-17 16:57 Music
drwxrwx--- root sdcard_r 2013-08-17 16:58 OpenVPN
drwxrwx--- root sdcard_r 2015-07-24 14:54 Pictures
drwxrwx--- root sdcard_r 2015-03-05 22:24 Videos
drwxrwx--- root sdcard_r 2015-06-07 15:23 bluetooth
-rwxrwx--- root sdcard_r 145 2015-07-28 21:13 customized-capability.xml
-rwxrwx--- root sdcard_r 14335 2015-07-28 21:13 default-capability.xml
drwxrwx--- root sdcard_r 2013-08-18 21:39 downloads
drwxrwx--- root sdcard_r 2015-06-07 15:23 image
-rwxrwx--- root sdcard_r 3036091 2011-04-05 12:37 infosecuritypro201113-dl.pdf
drwxrwx--- root sdcard_r 2015-07-24 17:19 mysword
drwxrwx--- root sdcard_r 2015-07-24 17:19 mysword1
drwxrwx--- root sdcard_r 2015-07-28 21:36 others
-rwxrwx--- root sdcard_r 5848 2013-12-22 14:07 transcriptTerm.pdf
drwxrwx--- root sdcard_r 2015-06-07 15:23 video
root@SGP311:/sdcard1 #

Just FYI, but I'm having trouble with my SD card (won't mount in Linux, can't format/erase in recovery or ROM). I don't see how that would affect this but thought I'd mention it....