#acl HongboZhu:read,write,admin,delete
#acl PixelGroup:read,write,admin All:read
##master-page:HomepageTemplate
#format wiki
#language en
'''Contact''':

Email: <<MailTo(hongbo.zhu AT desy DOT de)>> 

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= Research Topics =

[[HongboZhu/ElectronID|Electron ID & Trigger Efficiency]]

[[HongboZhu/SctUpgrade|SCT Upgrade]]

[[HongboZhu/TDAQShifts|TDAQ Shifts]]

= Useful Links =
[[https://twiki.cern.ch/twiki/bin/viewauth/Atlas/GoodRunsListsTutorial | GoodRunLists Tutorial]]

[[https://twiki.cern.ch/twiki/bin/view/Atlas/DistributedAnalysisUsingGanga | GANGA]]


= Tips =
=== Authentication ===
Kerberos authentication
{{{
kinit -5 username@CERN.CH [Note CERN.CH in uppercase]
klog username [If you want to access your AFS files as well]
}}}


=== Event Counting ===
Count number of events in a single pool.root file
{{{
checkFile.py
}}}

or all pool.root files under a directory
{{{
countEvents.py 
}}}

{{{
### entries adder ###
import PyUtils.PoolFile as PF
PF.PoolOpts.FAST_MODE = True
from glob import glob
fnames = glob('/some/directory/*.pool.root')
summary = {}

for fname in fnames:
    summary[fname] = PF.PoolFile(fname).dataHeader.nEntries

print "all entries:",sum(summary.values())
### EOF ###

}}}