shell@android:/data/local/tmp $ ls -l /dev/block/platform/*/*/by-name > 1.txt
/dev/block/platform/*/*/by-name: No such file or directory
1|shell@android:/data/local/tmp $ cd /dev/block
shell@android:/dev/block $ ls
loop0
loop1
loop2
loop3
loop4
loop5
loop6
loop7
mmcblk0
mmcblk0p1
mmcblk0p10
mmcblk0p11
mmcblk0p12
mmcblk0p13
mmcblk0p14
mmcblk0p15
mmcblk0p16
mmcblk0p17
mmcblk0p18
mmcblk0p19
mmcblk0p2
mmcblk0p20
mmcblk0p21
mmcblk0p3
mmcblk0p4
mmcblk0p5
mmcblk0p6
mmcblk0p7
mmcblk0p8
mmcblk0p9
param
platform
vold
zram0
shell@android:/dev/block $ cd platform
shell@android:/dev/block/platform $ ls
sprd-sdhci.3
shell@android:/dev/block/platform $ cd sprd-sdhci.3/
shell@android:/dev/block/platform/sprd-sdhci.3 $ ls
by-name
by-num
mmcblk0
mmcblk0p1
mmcblk0p10
mmcblk0p11
mmcblk0p12
mmcblk0p13
mmcblk0p14
mmcblk0p15
mmcblk0p16
mmcblk0p17
mmcblk0p18
mmcblk0p19
mmcblk0p2
mmcblk0p20
mmcblk0p21
mmcblk0p3
mmcblk0p4
mmcblk0p5
mmcblk0p6
mmcblk0p7
mmcblk0p8
mmcblk0p9
shell@android:/dev/block/platform/sprd-sdhci.3 $ ls by-name
CSC
FIXNV1
FIXNV2
FOTA
HIDDEN
KERNEL
ODIN
PARAM
RECOVERY
RUNTIMENV1
RUNTIMENV2
Reserved1
Reserved2
Reserved3
SBL1
SBL2
efs
modem
modem2
system
userdata
shell@android:/dev/block/platform/sprd-sdhci.3 $ ls -la by-name
lrwxrwxrwx root     root              2013-01-01 12:17 CSC -> /dev/block/mmcblk0p8
lrwxrwxrwx root     root              2013-01-01 12:17 FIXNV1 -> /dev/block/mmcblk0p13
lrwxrwxrwx root     root              2013-01-01 12:17 FIXNV2 -> /dev/block/mmcblk0p14
lrwxrwxrwx root     root              2013-01-01 12:17 FOTA -> /dev/block/mmcblk0p18
lrwxrwxrwx root     root              2013-01-01 12:17 HIDDEN -> /dev/block/mmcblk0p10
lrwxrwxrwx root     root              2013-01-01 12:17 KERNEL -> /dev/block/mmcblk0p5
lrwxrwxrwx root     root              2013-01-01 12:17 ODIN -> /dev/block/mmcblk0p17
lrwxrwxrwx root     root              2013-01-01 12:17 PARAM -> /dev/block/mmcblk0p4
lrwxrwxrwx root     root              2013-01-01 12:17 RECOVERY -> /dev/block/mmcblk0p6
lrwxrwxrwx root     root              2013-01-01 12:17 RUNTIMENV1 -> /dev/block/mmcblk0p15
lrwxrwxrwx root     root              2013-01-01 12:17 RUNTIMENV2 -> /dev/block/mmcblk0p16
lrwxrwxrwx root     root              2013-01-01 12:17 Reserved1 -> /dev/block/mmcblk0p19
lrwxrwxrwx root     root              2013-01-01 12:17 Reserved2 -> /dev/block/mmcblk0p20
lrwxrwxrwx root     root              2013-01-01 12:17 Reserved3 -> /dev/block/mmcblk0p21
lrwxrwxrwx root     root              2013-01-01 12:17 SBL1 -> /dev/block/mmcblk0p1
lrwxrwxrwx root     root              2013-01-01 12:17 SBL2 -> /dev/block/mmcblk0p2
lrwxrwxrwx root     root              2013-01-01 12:17 efs -> /dev/block/mmcblk0p3
lrwxrwxrwx root     root              2013-01-01 12:17 modem -> /dev/block/mmcblk0p7
lrwxrwxrwx root     root              2013-01-01 12:17 modem2 -> /dev/block/mmcblk0p11
lrwxrwxrwx root     root              2013-01-01 12:17 system -> /dev/block/mmcblk0p9
lrwxrwxrwx root     root              2013-01-01 12:17 userdata -> /dev/block/mmcblk0p12
shell@android:/dev/block/platform/sprd-sdhci.3 $