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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 - Router for the microscopic road traffic simulation SUMO based on junction turning ratios SYNOPSIS
jtrrouter [OPTION]* DESCRIPTION
SUMO jtrrouter Version 0.15.0 Copyright (C) 2001-2012 DLR and contributors; http://sumo.sourceforge.net Router for the microscopic road traffic simulation SUMO based on junction turning ratios. 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 Use FILE as SUMO-network to route on -d, --taz-files FILE Read (additional) districts from FILE -a, --alternative-files FILE Read alternatives from FILE -f, --flow-files FILE Read flow-definitions from FILE(s) -t, --turn-ratio-files FILE Read turning ratios from FILE(s) Output Options: -o, --output-file FILE Write generated routes to FILE --vtype-output FILE Write used vehicle types into separate FILE --exit-times Write exit times (weights) for each edge Processing Options: --ignore-errors Continue if a route could not be build --unsorted-input Assume input is unsorted --randomize-flows generate random departure times for flow input --max-alternatives INT Prune the number of alternatives to INT --remove-loops Remove loops within the route; Remove turnarounds at start and end of the route --repair Tries to correct a false route --weights.interpolate Interpolate edge weights at interval boundaries --with-taz Use origin and destination zones (districts) for in- and output --max-edges-factor FLOAT -T, --turn-defaults STR Use STR as default turn definition -s, --sink-edges STR Use STR as list of sink edges -A, --accept-all-destinations Whether all edges are allowed as sink edges -i, --ignore-vclasses Ignore road restrictions based on vehicle class --allow-loops Allow to re-use a road Defaults Options: --departlane STR Assigns a default depart lane --departpos STR Assigns a default depart position --departspeed STR Assigns a default depart speed --arrivallane STR Assigns a default arrival lane --arrivalpos STR Assigns a default arrival position --arrivalspeed STR Assigns a default arrival speed --defaults-override Defaults will override given values Time Options: -b, --begin TIME Defines the begin time; Previous trips will be discarded -e, --end TIME Defines the end time; Later trips will be discarded; Defaults to the maximum time that SUMO can represent 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 --stats-period INT Defines how often statistics shall be printed --no-step-log Disable console output of route parsing step 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 EXAMPLES
jtrrouter -c <CONFIGURATION> run with routing options defined in file 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 jtrrouter 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 jtrrouter Version 0.15.0 May 2012 SUMO(1)
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