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#!/bin/bash
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#
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# Usage:
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# entryCount rootfile.root
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# entryCount rootfile.root histogramName
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# entryCount histogramName
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#
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# Michael Anderson
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# www.hep.wisc.edu/~mbanderson
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# April 16, 2008
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# This must point to the ROOT macro
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counterMacro=./entryCount.C
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# Grab the first two arguments if there are any given
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arg1=$1
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arg2=$2
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printUsage () {
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echo "Please specify arguments like:"
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echo "entryCount filename.root"
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echo "entryCount histogramName"
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}
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# Check to make sure at least one
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# argument was given.
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if [ -n "$arg1" ]; then
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# See if two arguments were given
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if [ -n "$arg2" ]; then
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# See if argument 1 is a file
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if ! [ -f "$arg1" ]; then
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echo "ERROR: No such file: $arg1"
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printUsage
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exit 1
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fi
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# 2 arguments were given, pass both to root macro
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root -b -l -q "$counterMacro(\"$arg1\",\"$arg2\")"
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else
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# Only 1 argument was given, pass it to root macro
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root -b -l -q "$counterMacro(\"$arg1\")"
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fi
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else
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# No arguments were given
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printUsage
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fi
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