may be, because the output of :
hdiutil attach -nomount ram://204800
isn't (for example) :
/dev/disk4
but rather (without the quotes) :
"/dev/disk4
"
that's to say with tens of spaces after /dev/disk4
may be i shoud trim that ?
2014-02-24 10:01 GMT+01:00 Stestagg <stest...@gmail.com>:
> Could that be some non visible characters in the output? Bash and fish
> handle ifs differently.
>
> Could you pipe the output of hdiutil to hexdump to see?
>
> Steve
> On 24 Feb 2014 08:04, "Yvon Thoraval" <yvon.thora...@gmail.com> wrote:
>
>> if i decompose the line in two (under SHELL fish):
>>
>> >$ hdiutil attach -nomount ram://204800
>>
>> /dev/disk4
>>
>> $ diskutil erasevolume HFS+ "RamDisk" /dev/disk4
>>
>> Started erase on disk4
>>
>> Unmounting disk
>>
>> Erasing
>>
>> Initialized /dev/rdisk4 as a 100 MB case-insensitive HFS Plus volume
>>
>> Mounting disk
>>
>> Finished erase on disk4 RamDisk
>>
>>
>> it's OK then i was hopping doing :
>>
>> $ set monVolume (hdiutil attach -nomount ram://204800)
>>
>> >$ diskutil erasevolume HFS+ "RamDisk" $monVolume
>>
>> Unable to find disk for /dev/disk5
>>
>>
>> was working correctly, but not.
>>
>>
>> strange the "Unable to find disk for /dev/disk5" because :
>>
>> $ lal /dev/disk*
>>
>> brw-r----- 1 root operator 1, 0 20 fév 15:31 /dev/disk0
>>
>> brw-r----- 1 root operator 1, 1 20 fév 15:31 /dev/disk0s1
>>
>> brw-r----- 1 root operator 1, 2 20 fév 15:31 /dev/disk0s2
>>
>> brw-r----- 1 root operator 1, 3 20 fév 15:31 /dev/disk0s3
>>
>> brw-r----- 1 root operator 1, 4 20 fév 15:31 /dev/disk1
>>
>> brw-r----- 1 root operator 1, 5 20 fév 15:31 /dev/disk1s1
>>
>> brw-r----- 1 root operator 1, 6 20 fév 15:31 /dev/disk1s2
>>
>> brw-r----- 1 root operator 1, 7 20 fév 15:31 /dev/disk2
>>
>> brw-r----- 1 root operator 1, 8 20 fév 15:31 /dev/disk2s1
>>
>> brw-r----- 1 root operator 1, 9 20 fév 15:31 /dev/disk2s2
>>
>> brw-r----- 1 root operator 1, 10 20 fév 15:31 /dev/disk2s3
>>
>> brw-r----- 1 yt staff 1, 11 24 fév 07:50 /dev/disk3
>>
>> brw-r----- 1 yt staff 1, 12 24 fév 08:52 /dev/disk4
>>
>> brw-r----- 1 yt staff 1, 13 24 fév 08:56 /dev/disk5
>> <<<<<========
>>
>>
>>
>>
>> 2014-02-24 7:52 GMT+01:00 Yvon Thoraval <yvon.thora...@gmail.com>:
>>
>>> unfortunately not ;-)
>>>
>>> .-[yt@iMac.local:~/Downloads][20:41:12]
>>>
>>>
>>>
>>>
>>> '->$ diskutil erasevolume HFS+ "Ram Disk" (hdiutil attach -nomount
>>> ram://204800)
>>>
>>> Unable to find disk for /dev/disk3
>>>
>>>
>>> .-[yt@iMac.local:~/Downloads][07:50:54]
>>>
>>>
>>>
>>>
>>> '->$
>>>
>>>
>>> same result with parenthesis as back ticks...
>>>
>>>
>>> 2014-02-24 7:49 GMT+01:00 Yvon Thoraval <yvon.thora...@gmail.com>:
>>>
>>> fine thanks!
>>>>
>>>>
>>>> 2014-02-23 20:59 GMT+01:00 Robert Carpenter <rob...@robacarp.com>:
>>>>
>>>> Yvon,
>>>>>
>>>>> Backticks are indeed the problem. Simply swap them out for parentheses
>>>>> and it should work as expected:
>>>>>
>>>>> diskutil erasevolume HFS+ "Ram Disk" (hdiutil attach -nomount
>>>>> ram://204800)
>>>>>
>>>>> Robert
>>>>>
>>>>>
>>>>> On Sun, Feb 23, 2014 at 10:34 AM, Yvon Thoraval <
>>>>> yvon.thora...@gmail.com> wrote:
>>>>>
>>>>>> With shell fish i get :
>>>>>>
>>>>>> .-[yt@iMac.local:~/Downloads][18:23:13]
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> '->$ diskutil erasevolume HFS+ "Ram Disk" `hdiutil attach -nomount
>>>>>> ram://204800`
>>>>>>
>>>>>> Unable to find disk for `hdiutil
>>>>>>
>>>>>> .-[yt@iMac.local:~/Downloads][18:32:34]
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> '->$
>>>>>>
>>>>>>
>>>>>> Switching to sh works :
>>>>>>
>>>>>> .-[yt@iMac.local:~/Downloads][17:55:51]
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> '->$ sh
>>>>>>
>>>>>> sh-3.2$ diskutil erasevolume HFS+ "Ram Disk" `hdiutil attach -nomount
>>>>>> ram://204800`
>>>>>>
>>>>>> Started erase on disk3
>>>>>>
>>>>>> Unmounting disk
>>>>>>
>>>>>> Erasing
>>>>>>
>>>>>> Initialized /dev/rdisk3 as a 100 MB case-insensitive HFS Plus volume
>>>>>>
>>>>>> Mounting disk
>>>>>>
>>>>>> Finished erase on disk3 Ram Disk
>>>>>>
>>>>>> sh-3.2$ exit
>>>>>>
>>>>>> exit
>>>>>>
>>>>>> .-[yt@iMac.local:~/Downloads][18:10:46]
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> '->$
>>>>>>
>>>>>>
>>>>>> What should I avoid with fish ?
>>>>>>
>>>>>> th backticks "`" ???
>>>>>>
>>>>>> --
>>>>>> Yvon@48.871651804,2.384858688
>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
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>>>>>> Take advantage of what the Cloud has to offer - Avoid Common Pitfalls.
>>>>>> Read the Whitepaper.
>>>>>>
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>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Yvon@48.871651804,2.384858688
>>>>
>>>>
>>>
>>>
>>> --
>>> Yvon@48.871651804,2.384858688
>>>
>>>
>>
>>
>> --
>> Yvon@48.871651804,2.384858688
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Flow-based real-time traffic analytics software. Cisco certified tool.
>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
>> Customize your own dashboards, set traffic alerts and generate reports.
>> Network behavioral analysis & security monitoring. All-in-one tool.
>>
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--
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------------------------------------------------------------------------------
Flow-based real-time traffic analytics software. Cisco certified tool.
Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
Customize your own dashboards, set traffic alerts and generate reports.
Network behavioral analysis & security monitoring. All-in-one tool.
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