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}
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}
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# find partition and/or folder that stores the changes
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# find partition and/or folder that stores the changes
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# return false, if changes not set or changes folder/partition not found
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# return false, if changes not set or changes folder/partition not found
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# Urs Beyerle
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#
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find_changes()
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find_changes()
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{
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{
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    echolog "looking for changes on $CHANGESVAL"
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    echolog "looking for changes in $CHANGESVAL"
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    CHANGESDEV="`echo "$CHANGESVAL" | egrep -o "^/dev/[^/]+"`"
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    CHANGESDEV="`echo "$CHANGESVAL" | egrep -o "^/dev/[^/]+"`"
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    CHANGESFOLDER="`echo "$CHANGESVAL" | sed -r 's:^/dev/[^/]+(.*):\1:'`"
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    CHANGESFOLDER="`echo "$CHANGESVAL" | sed -r 's:^/dev/[^/]+(.*):\1:'`"
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    # (re-)define CHANGES if CHANGESFOLDER is set
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    # (re-)define CHANGES if CHANGESFOLDER is set
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    if [ "$CHANGESFOLDER" != "" ]; then CHANGES=$MEMORY/$CHANGESFOLDER; fi
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    if [ "$CHANGESFOLDER" != "" ]; then CHANGES=$MEMORY/$CHANGESFOLDER; fi
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	    echolog "found folder $CHANGESFOLDER on $DEVICE"
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	    echolog "found folder $CHANGESFOLDER on $DEVICE"
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	    return
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	    return
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	fi
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	fi
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    done
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    done
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    echolog "WARNING: $CHANGESVAL not found! Continue booting in 10 seconds..."
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    echolog "WARNING: changes=$CHANGESVAL not found! Continue booting in 10 seconds..."
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    # unset CHANGESVAL
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    # unset CHANGESVAL
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    CHANGESVAL=""
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    CHANGESVAL=""
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    sleep 10
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    sleep 10
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}
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}