How to find out version information of a shared library file?

Hi,
I need to know what version the shared library is on. Is there a command that'll show the library version?
OS is 32bit of Red Hat Enterprise Linux ES release 4 (Nahant Update 6)
Kernel is 2.6.9-67.0.1.ELsmp
The library is called librfccm.so.


Thanks
LVL 3
ckhsu1977Asked:
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woolmilkporcCommented:
Hi,
try to use
'what [libraryname]'
 
wmp
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omarfaridCommented:
as woolmilkporc mentioned what is a good command to get the version provided the library file supports that. another way is to use command

strings /path/to/libraryfile

which might catch relevant info
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ckhsu1977Author Commented:
I don't have the what command installed. Which package is that from?
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woolmilkporcCommented:
You could use
grep -A 3 "$(#)"
But, as omarfarid wrote, your library must support it.
 
wmp
 
 
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joolsCommented:
this is starting to sound a bit like whos on first...

it's the which package.... what!
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woolmilkporcCommented:
Sorry,
forgot the first part -

strings [libraryname] |  grep -A 3 "$(#)"
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joolsCommented:
...or... I mean...
it's the what command.... which!

I think it may be depricated, check rpmfind.
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ckhsu1977Author Commented:
Bingo!
what  librfccm.so provided:
LIBRFC (c) SAP AG: Version: 640 Patch level: 0 Patch number: 165 thread-safe build 32 bit

Thank you all.
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