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haas:fall2014:unix:projects:dataproc [2014/09/29 22:22] – [Task 5: Find and count the duplicates] wedge | haas:fall2014:unix:projects:dataproc [2014/09/29 22:28] (current) – [Task 0: Post/respond to a question] wedge | ||
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=====Task 0: Post/ | =====Task 0: Post/ | ||
- | * Because | + | * To ensure adequate out-of-class communications, |
- | * Please do not give away any answers to the actions requested by this project in doing so. | + | * I would like each person to post at least 1 focused question regarding this project to the class mailing list. |
- | * Be sure to identify which " | + | * This also helps to make sure everyone has subscribed to the list (as you should have the first week) |
- | * Respond to at least 1 question, not by giving an explicit answer, but by asking further questions, or giving a pointer to a resource that may contain additional information (i.e. see **cut(1)** manual page) | + | |
+ | * Be sure to identify which " | ||
+ | * Respond to at least 1 question, not by giving an explicit answer, but by asking further questions, or giving a pointer to a resource that may contain additional information (i.e. see the **cut(1)** manual page) | ||
* To get credit, your response can**not** be to one of your own questions. | * To get credit, your response can**not** be to one of your own questions. | ||
* Put a URL to the mailing list post of your question asked in a file called: **task0.question** | * Put a URL to the mailing list post of your question asked in a file called: **task0.question** | ||
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=====Task 5: Find and count the duplicates===== | =====Task 5: Find and count the duplicates===== | ||
- | * Ignoring the index values in the left-most column, determine which numerical codes occur more than once by concocting a command-line incantation | + | * Ignoring the index values in the left-most column, determine which numerical codes occur more than once by concocting a command-line incantation that appropriately filters and processes the output. |
* Also display with a count of the total number of lines in the output, along with the total number of lines with valid numeric values (ignore " | * Also display with a count of the total number of lines in the output, along with the total number of lines with valid numeric values (ignore " | ||
+ | * Omit all the lines that occurred only once (ie has no duplicates); | ||
* Put your resulting command-line(s) in a file called **task5.sh** | * Put your resulting command-line(s) in a file called **task5.sh** | ||
* Put the output (result) of your command-line(s) in a file called **task5.out** | * Put the output (result) of your command-line(s) in a file called **task5.out** |