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Top Forums Shell Programming and Scripting Unix Scripting Question (Homework) Post 302385166 by pitdark on Thursday 7th of January 2010 08:09:27 AM
Old 01-07-2010
Unix Scripting Question (Homework)

Hello im currently taking up Operating Systems and we're on unix ryt now. we have to make a script and here are the requirements.. can someone please help me. I would reli appreciate it.. because i dont reli know how to make scripts yet.

Name of script : parkingcharge.sh
Create a script that computes for the total parking charge of a customer. The following information are to be collected as inputs from the standard input :
Plate number (format : 7 characters, the first 3 are characters from ato z followed by a dash followed by a 3 digit number; i.e. : XXX-123)
Time in (format : military time; i.e. 1500 => 3 PM)
Time out (format : military time; i.e. 1900 => 7 PM)
Type of vehicle : can either be the following characeters: L, U or H which stands for Light vehicle, Utility vehicle or heavy vehicle respectively.
The parking lot operates starting at 7 AM and closes at 11:30 PM. The rates of the parking lot is as follows:
Standard parking fee (minimum of 2 hours) - 50 pesos
Succeeding hour or less in excess of 2 hours for :
Light vehicles - 5 pesos
Utility vehicles - 15 pesos
Heavy vehicles - 25 pesos
Futhermore, the maximum parking charge for the following vehicles applies:
Light vehicles - 100 pesos
Utility vehicles - 150 pesos
Heavy vehicles - 250 pesos
The script should be able to validate whether the time in and time out values are VALID inputs based on the value that is entered (time out > time in). Other validations are not to be filtered by the script. The output of the script is the parking charge of the vehicle and its details.
Sample run:
$ parkingcharge.sh
Please enter the plate number (i.e. : AAE-775) : XNY-123
Please enter the type of vehicle (L/U/H) : U
Please enter the time the vehicle entered the parking lot : 0845
Please enter the time the vehicle entered the parking lot : 1915
The vehicle with plate number XNY-123 was parked for 10 hours and 30 minutes. The parking charge for the vehicle is 150 pesos
Try again? : N
Sample run:
$ parkingcharge.sh
Please enter the plate number (i.e. : AAE-775) : GMA-111
Please enter the type of vehicle (L/U/H) : L
Please enter the time the vehicle entered the parking lot : 1245
Please enter the time the vehicle entered the parking lot : 1315
The vehicle with plate number XNY-123 was parked for 0 hours and 30 minutes. The parking charge for the vehicle is 50 pesos
Try again? : N
Note: Make sure the program keeps on repeating until the user enters ‘N' to quit the program.
Hint : You can use the following commands/control structure to complete your script : expr, if, test, for
 

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SUMO(1) 							   User Commands							   SUMO(1)

NAME
SUMO - A microscopic road traffic simulation SUMO SYNOPSIS
sumo [OPTION]* DESCRIPTION
SUMO sumo Version 0.15.0 Copyright (C) 2001-2012 DLR and contributors; http://sumo.sourceforge.net A microscopic road traffic simulation. Configuration Options: -c, --configuration-file FILE Loads the named config on startup --save-configuration FILE Saves current configuration into FILE --save-template FILE Saves a configuration template (empty) into FILE --save-schema FILE Saves the configuration schema into FILE --save-commented Adds comments to saved template, configuration, or schema Input Options: -n, --net-file FILE Load road network description from FILE -r, --route-files FILE Load routes descriptions from FILE(s) -a, --additional-files FILE Load further descriptions from FILE(s) -w, --weight-files FILE Load edge/lane weights for online rerouting from FILE -x, --weight-attribute STR Name of the xml attribute which gives the edge weight Output Options: --netstate-dump FILE Save complete network states into FILE --netstate-dump.empty-edges Write also empty edges completely when dumping --summary-output FILE Save aggregated vehicle departure info into FILE --tripinfo-output FILE Save single vehicle trip info into FILE --vehroute-output FILE Save single vehicle route info into FILE --vehroute-output.exit-times Write the exit times for all edges --vehroute-output.last-route Write the last route only --vehroute-output.sorted Sorts the output by departure time Time Options: -b, --begin TIME Defines the begin time; The simulation starts at this time -e, --end TIME Defines the end time; The simulation ends at this time --step-length TIME Defines the step duration Processing Options: -s, --route-steps TIME Load routes for the next number of seconds ahead --no-internal-links Disable (junction) internal links --ignore-accidents Do not check whether accidents occure more deeply --ignore-route-errors Do not check whether routes are connected --max-num-vehicles INT Quit simulation if this number of vehicles is exceeded --incremental-dua-step INT Perform the simulation as a step in incremental DUA --incremental-dua-base INT Base value for incremental DUA --scale FLOAT Scale demand by the given factor (0..1) --time-to-teleport TIME Specify how long a vehicle may wait until being teleported, defaults to 300, non-positive values disable teleporting --max-depart-delay TIME How long vehicles wait for departure before being skipped, defaults to -1 which means vehicles are never skipped --sloppy-insert Whether insertion on an edge shall not be repeated in same step once failed. --lanechange.allow-swap Whether blocking vehicles trying to change lanes may be swapped. Report Options: -v, --verbose Switches to verbose output -p, --print-options Prints option values before processing -?, --help Prints this screen -V, --version Prints the current version -W, --no-warnings Disables output of warnings -l, --log FILE Writes all messages to FILE (implies verbose) --message-log FILE Writes all non-error messages to FILE (implies verbose) --error-log FILE Writes all warnings and errors to FILE --no-duration-log Disable performance reports for individual simulation steps --no-step-log Disable console output of current simulation step Routing Options: --device.rerouting.probability FLOAT The probability for a vehicle to have a routing device --device.rerouting.explicit STR Assign a device to named vehicles --device.rerouting.deterministic The devices are set deterministic using a fraction of 1000 --device.rerouting.period TIME The period with which the vehicle shall be rerouted --device.rerouting.pre-period TIME The rerouting period before depart --device.rerouting.adaptation-weight FLOAT The weight of prior edge weights. --device.rerouting.adaptation-interval TIME The interval for updating the edge weights. --device.rerouting.with-taz Use zones (districts) as routing end points Emissions Options: --device.hbefa.probability FLOAT The probability for a vehicle to have an emission logging device --device.hbefa.explicit STR Assign a device to named vehicles --device.hbefa.deterministic The devices are set deterministic using a fraction of 1000 TraCI Server Options: --remote-port INT Enables TraCI Server if set Random Number Options: --random Initialises the random number generator with the current system time --seed INT Initialises the random number generator with the given value GUI Only Options: --gui-settings-file FILE Load visualisation settings from FILE -Q, --quit-on-end Quits the GUI when the simulation stops -G, --game Start the GUI in gaming mode -S, --start Start the simulation after loading -T, --disable-textures Do not load background pictures EXAMPLES
sumo -b 0 -e 1000 -n net.xml -r routes.xml start a simulation from time 0 to 1000 with given net and routes sumo -c munich_config.cfg start with a configuration file sumo --help print help REPORTING BUGS
Report bugs at <http://sourceforge.net/apps/trac/sumo/>. Get in contact via <sumo-user@lists.sourceforge.net>. Copyright (C) 2001-2012 DLR and contributors; http://sumo.sourceforge.net SUMO sumo Version 0.15.0 is part of SUMO. SUMO is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/gpl.html SUMO sumo Version 0.15.0 May 2012 SUMO(1)
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