Testing Your Perl Installation

In order to test our fresh installation of Perl, well need a simple Perl program. The first thing most new programmers learn is how to make the script say Hello World. Lets look at a simple Perl script that does just that. #!/usr/bin/perl print Hello World.\n; The first line is there to tell the computer where the Perl interpreter is located. Perl is an interpreted language, which means that rather than compiling our programs, we use the Perl interpreter to run them. This first line is usually #!/usr/bin/perl or #!/usr/local/bin/perl, but depends on how Perl was installed on your system. The second line tells the Perl interpreter to print the words Hello World. followed by a newline (a carriage return). If our Perl installation is working correctly, then when we run the program, we should see the following output: Hello World. Testing your Perl installation is different depending on the type of system you are using, but well take a look at the two most common situations: Testing Perl on Windows  (ActivePerl)Testing Perl on *nix Systems The first thing youll want to do is make sure youve followed the  ActivePerl Installation tutorial  and installed ActivePerl and the Perl Package Manager on your machine. Next, create a folder on your C: drive to store your scripts in -- for the sake of the tutorial, well call this folder  perlscripts. Copy the Hello World program into C:\perlscripts\ and make sure the filename is  hello.pl. Getting a Windows Command Prompt Now we need to get to a Windows command prompt. Do this by clicking on the  Start  menu and selecting the item  Run.... This will pop up the run screen that contains the  Open:  line. From here, just type  cmd  into the  Open:  field and press the  Enter  key. This will open (yet another) window which is our Windows command prompt. You should see something like this: Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\Documents and Settings\perlguide\Desktop We need to change to the directory (cd) that contains our Perl scripts by typing in the following command: cd c:\perlscripts That should make our prompt reflect the change in the path like so: C:\perlscripts Now that were in the same directory as the script, we can run it simply by typing its name at the command prompt: hello.pl If Perl is installed and running correctly, it should output the phrase Hello World., and then return you to the Windows command prompt. An alternate method of testing your Perl installation is by running the interpreter itself with the  -v  flag: perl -v If the Perl interpreter is working correctly, this should output quite a bit of information, including the current version of Perl you are running. Testing Your Installation If you are using a school or work Unix / Linux server, chances are Perl is already installed and running -- when in doubt, just ask your system administrator or technical staff. There are a few ways we can test our installation, but first, you will need to complete two preliminary steps.​ First, you must copy your Hello World program to your home directory. This is usually accomplished via FTP.   Once your script has been copied to your server, you will need to get to a  shell prompt  on the machine, usually via SSH. When you have reached the command prompt, you can change into your  home  directory by typing the following command: cd ~ Once there, testing your Perl installation is very similar to testing on a windows system with one extra step. In order to  execute  the program, you must first tell the operating system that the file is OK to execute. This is done by setting the permissions on the script so that anyone can execute it. You can do this by using the  chmod  command: chmod 755 hello.pl Once youve set the permissions, you can then execute the script by simply typing its name. hello.pl If that doesnt work, you might not have your home directory in your current path. As long as you are in the same directory as the script, you can tell the operating system to run the program (in the current directory) like so: ./hello.pl If Perl is installed and running correctly, it should output the phrase Hello World., and then return you to the Windows command prompt. An alternate method of testing your Perl installation is by running the interpreter itself with the  -v  flag: perl -v If the Perl interpreter is working correctly, this should output quite a bit of information, including the current version of Perl you are running.

The Case Of Nancy Troy And Her Family - 1683 Words

The case of Nancy Troy and her family is undoubtedly complex and will necessitate a clinician with the ability to evaluate and address multiple dimensions of Nancy Troy and her family s lives. It will be critical for a social worker to assess the family structure, the impact of violence, trauma, mental illness, and substance abuse, and finally, cultural considerations in order to address all the needs and areas of improvement presented by the Troy family. Family Structure There are several concerns and potentially problematic issues within the Troy family related to family structure that could be impeding on family functioning. Family structure, according to Goldberg and Goldberg (2008) provides a framework for understanding†¦show more content†¦From a structural therapy perspective, it would be important to work on re/defining and restructuring the family so that it can operate in a more functional and healthy way. Clarifying and defining the boundaries between Nancy and her children, particularly Sarah, will be critical in trying to erode the enmeshment that is currently occurring. These treatment goals might be more difficult to achieve with Melanie and Amy considering they are currently living with their great grandmother; however, effort on the social workers part should still be made. Trauma and Violence Nancy, both as a child and as an adult, as well as her children, have experienced significant trauma and possibly family violence. Most likely, some of the most significant experiences Nancy faced were the unexpected loss of her mother, sporadic homelessness, and constant change of her home environment. The death of Nancy s mother would have been a significant life transition for her. Increasing that impact of her mother s death is the actuality that Nancy was left as the only female in the family system, perhaps leaving her feeling like she had to fulfill the role of her mother. 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Joyce Carol OatessWhere Are You Going, Where Have You Been

Fiction Analysis Paper: Where are you going, where have you been? Joyce Carol Oates’s Where are you going, where have you been? is a post-modernist story. The primary theme is childhood versus adulthood. The story explores Connie’s, the main character’s, ambivalence about adulthood. The plot of the story builds the theme. Throughout the story, Connie believes that she is playing 2 personas. One that is child-like, and innocent, and another that is lascivious and â€Å"adult-like† to the extent that she knows adultness. In the beginning, she is undoubtedly convinced that she wants adulthood; however, she doesn’t understand all the implications, and she becomes ambivalent when faced with the reality of adulthood, personified by the character†¦show more content†¦It’s safe to say that Connie’s conception of adulthood also includes a notion of â€Å"independence,† separate from her family, but accompanied by a male admirer. June’s personality and interests foil with Connie’s and their mother’s constant comparisons cause Connie to resent June, and because June lives with them, this also likely attests to her desire for pseudo-adulthood. Her father is completely uninvolved, and because Connie specificall y lacks the love of and closeness with her father, the pseudo-Freudian approach suggests that this could have a direct influence on her quest for pseudo-adulthood, which I defined as consisting of male attention, and her conception of independence. Now straying from her family, I’ll explain Eddie’s significance to the theme. Eddie gives the reader better insight into Connie’s character. The time Connie spends with Eddie in the alley shows the reader that her understanding of adulthood is lacking, and that she is just teetering around the line between childhood and adulthood, but keeping one foot neatly planted on childhood’s side. This becomes more obvious later in the story, once she encounters Arnold Fiend. Those 3 hours had to have been spent engaging in what was considered â€Å"adult-like,† but not quite adult. A lot couldn’t have happened, and the 2Show MoreRelatedJoyce Carol OatessWhere Are You Going, Where Have You Been?1554 Words   |  7 PagesMystical voices of unity and liberty filled the youths spirits in the 1960’s, sparking what may have been America’s â€Å"golden ages†. For baby boomers, however, the new generation was being poisoned by talks of rebellion and uprising. Joyce Carol Oates, the author of â€Å"Where Are You Going, Where Have You Been?†, begins by introducing Connie, a stereotypical 15 year-old in the 1960’s, who voices the arrogance of the youth. Connie’s passion for glancing at every reflective surface she passes by, her attempts

Potential Risks of computerized information system

Questions: 1.What is the Potential Impact of Each Risk to Fruito? 2.Recommend Which Internal Controls should be implemented by Fruito.How do these Controls Mitigate the risks you have Identified? 3.Prepare a Summary of your Findings for the CFO. Answers: Introduction The report has been made for Frutio for understanding the concept of computerized information system for the accounting operations of the company. The report would highlight the risks faced while using the information system, their impact on the business structure and provide mitigation strategies for managing the information system of the company. 1. Potential Risks of computerized information system The potential risks of the computerized information system for accounting operations of Frutio are intentional and non intentional entry of wrong data, accidental loss of data and information, unauthorized access, natural disaster, computer viruses, theft of data, and interception of process (Schneider et al., 2014). They have been explained below: Intentional and non intentional entry of wrong data: The primary issue made by person involved for entering the data about the stock ordered or delivered in the organization (Willcocks, 2013). The wrong data entered by the person in charge of the information system can be accidental and deliberate too. Accidental Deletion of data and information: The data and information of the fruits and vegetable can be lost due to the some technical issues (Li, 2014). It is possible that the file containing the data gets corrupted and deleted during the operations of the organization. Unauthorized access: The information system runs on virtual security system and it can be accessed using right means of the technology (Schneider et al., 2014). The system is prone to get hacked into for infiltrating information like name of suppliers and customers of the company. Natural disaster: The natural disaster is the most uncalled system failure that can happen any time without any consent (Willcocks, 2013). The natural disaster includes data lost by fire or any breakage. It happens without anyones initiation. Computer viruses: The computer viruses, malware, and Trojans are responsible for malfunctioning of the computerized systems (Li, 2014). It would hinder the processing of the information system for the stock information input. Theft of data: The theft of data is an external issue and it is caused by any way extracting information from the system. The rivals and competitors can extract the data from the information system using methods of hacking and phishing. Interception of process: The process of the information inputting into the system can be intercepted from outside and the result of the process would be halting of the process of data storage. Potential Impact of risks The impact of the risk factors like intentional and non intentional entry of wrong data, accidental loss of data and information, unauthorized access, natural disaster, computer viruses, theft of data, and interception of process have been explained below in the table: Risk Factors Potential Impact on the company Intentional And Non Intentional Entry Of Wrong Data Wrong data is entered Overall calculation of stock is miscalculated Accidental Deletion Of Data And Information No information for stock inventory is present Final Balance and accounts book cannot be prepared Unauthorized Access Data and information can be modified Extraction of the data from the database would result in violation of privacy (Covello Merkhoher, 2013) Natural Disaster Loss of important data and information Re-entering of the data set Computer Viruses Slowing the processing of the system Malfunctioning of the computer system Theft Of Data Misuse of the data by rival competitors Loss of customers contact information Interception Of Process Not being able to complete the data processing Growth in customers dissatisfaction due to issues in service (Joyce et al., 2016) Table 1: Risk Assessment Factors (Source: Goble Bier, 2013, pp-1950) 2.. Recommended Internal Controls and their mitigation on risks Each of the risk factors mentioned in the report have to be dealt for making sure that the information system processing for the accounting data can be done successfully (Mehta et al., 2014). The risk mitigation strategies and their operations on the risks are given below: Risk factor Risk Mitigation Control Function of the risk mitigation control Intentional And Non Intentional Entry Of Wrong Data Double Checking the data entered Wrong entered value would be detected and corrected Employing a supervisor for cross checking the data entered by the employee Wrong entered value would be detected and corrected, the employee should be dealt with Accidental Deletion Of Data And Information Keeping the data stored in a recovery platform The data deleted can be recovered Information system design should prompt permission before deleting any file The deletion of data by mistake can be avoided Unauthorized Access Password for accessing into the system No one can access the information system without the password Limiting the users into the password Chances of password being shared would become minimum Natural Disaster Data backup should be kept Data would be stored in a separate platform System should be made with auto recovery option System would be able to retrieve data automatically Computer Viruses Antivirus should be used in the system Detection and Deletion of virus and other Trojans Untrusted sites and server should not be accessed No scope for malware to inflict into the system Theft Of Data Data theft detection software must be used Theft of data can be stopped and halted Data should be encrypted Even the theft data could not be misused Interception Of Process Troubleshooting for detecting any hindrance in the process Interception can be dealt and process can be continued Process Recovery options The stopped process can be restarted with the system reboot Table 2: Risk Mitigation Strategies (Source: Prasannakumar, 2012, pp-212) 3. Summary of the report The potential risks for the information system are intentional and non intentional entry of wrong data, accidental loss of data and information, unauthorized access, natural disaster, computer viruses, theft of data, and interception of process and they can affect the processes of the organization by slowing, hindering, halting, data theft and economically bringing loss to the organization. The use of risk mitigation techniques like backup and recovery, security system, troubleshooting option, and antivirus would be helpful for supporting the information system of the organization. The tabular representation of the findings of the report has been given below: Findings Description Risk factors for Fruito The risk factors for the information system of Fruito are intentional and non intentional entry of wrong data, accidental deletion of data and information, unauthorized access, natural disaster, computer viruses, theft of data, and interception of process Impact of risk factors on the operations of Fruito The impacts of the risk factors on the operations of Fruito are wrong calculation of stock, no information for stock inventory, extraction of the data, result in violation of privacy, loss of important data and information, slowing and malfunctioning of the computer system, misuse of the data, and loss of customer. Risk Mitigation Strategies for Fruito The risk mitigation strategies include employment of a supervisor for cross checking, password for accessing into the system, data backup and auto recovery option, use of antivirus, not assessment of non-trusted sites and server, encryption of data, and provision for troubleshooting. Conclusion It can be concluded from the report that the use of above mentioned risk mitigation methods are very useful for dealing with the issues of risk factors in the organization of Fruito. The methods shown in the report would help in forming the appropriate information system solution for the organization. References Covello, V. T., Merkhoher, M. W. (2013).Risk assessment methods: approaches for assessing health and environmental risks. Springer Science Business Media. Goble, R., Bier, V. M. (2013). Risk Assessment Can Be a Game?Changing Information TechnologyBut Too Often It Isn't.Risk Analysis,33(11), 1942-1951. Joyce, D. L., Li, Z., Edwards, L. B., Kobashigawa, J. A., Daly, R. C. (2016). Predicting One-Year Cardiac Transplant Survival Using a Donor/Recipient Risk Assessment Tool.The Journal of Heart and Lung Transplantation,35(4), S58-S59. Li, W. (2014).Risk assessment of power systems: models, methods, and applications. John Wiley Sons. Mehta, H., Goedvalk, C., Barber, R. (2014). INCIDENCE AND RISK FACTORS FOR CENTRAL VENOUS CATHETER RELATED THROMBOSIS IN PICU AND DEVELOPMENT OF A RISK ASSESSMENT TOOL.Pediatric Critical Care Medicine,15(4_suppl), 125. Prasannakumar, V., Vijith, H., Abinod, S., Geetha, N. (2012). Estimation of soil erosion risk within a small mountainous sub-watershed in Kerala, India, using Revised Universal Soil Loss Equation (RUSLE) and geo-information technology.Geoscience Frontiers,3(2), 209-215. Schneider, E. C., Ridgely, M. S., Meeker, D., Hunter, L. E., Khodyakov, D., Rudin, R., ... Harpel, J. (2014). Promoting patient safety through effective Health Information Technology risk management.Santa Monica, CA: RAND. Willcocks, L. (2013).Information management: the evaluation of information systems investments. Springer