zeus
4 years ago
8 changed files with 24780 additions and 0 deletions
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echo "Display Contents of a file on the standard output (stdout)." |
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echo "----------------------------------------------------------" |
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cat $LLO_DATAFILE | head -5 |
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echo "" |
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echo "redirect standard output of a file into a new file" |
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echo "----------------------------------------------------------" |
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cat $LLO_DATAFILE | head -5 > /tmp/newfile |
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ls -al /tmp/newfile |
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cat -n $LLO_DATAFILE | head -5 |
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Display Contents of a file on the standard output (stdout). |
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[source,bash] |
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---- |
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cat $LLO_DATAFILE | head -5 |
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---- |
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redirect standard output of a file into a new file |
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[source,bash] |
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---- |
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cat $LLO_DATAFILE | head -5 > /tmp/newfile |
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ls -al /tmp/newfile |
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cat /tmp/newfile |
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---- |
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[INFO] |
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==== |
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DATAFILE |
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The datafile contains aggregate individual statistics for 67 NBA seasons. from basic box-score attributes such as points, assists, rebounds etc., to more advanced money-ball like features such as Value Over Replacement. |
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Take a look in |
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link:https://git.swarmlab.io:3000/llo/LabLearningObject/src/branch/master/data/nba_statistics_glossary[Glossary^] |
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for a detailed column description |
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ENVIRONMENT VARIABLE: LLO_DATAFILE |
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==== |
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Try to run |
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[source,sh] |
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---- |
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cat -n $LLO_DATAFILE | head -5 |
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---- |
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and see the Results! |
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*cat* command is one of the most useful & important command used in Linux. |
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It is used to create single or multiple files, view contain of file, concatenate files and redirect output in terminal or files |
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In this *LO*, we will see the most used cat Commands examples in Linux. |
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--- # Programming language |
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name: "cat" |
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base_url: "https://git.swarmlab.io:3000/llo/LabLearningObject/raw/branch/master" |
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author: "zeus" |
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intro: "intro" |
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0_Display_Content: |
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display_name: "Display_Content" |
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swarmlabservice: "os2" |
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info: |
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file: "0_Display_Content/info" |
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code: |
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lang: "bash" |
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exec: "/bin/bash" |
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file: "0_Display_Content/code" |
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data: "0_Display_Content/data" |
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options: "" |
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mimetype: "bash" |
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output: |
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log: "console" |
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mimetype: "bash" |
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challenge: |
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question: "0_Display_Content/q-info" |
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codehelp: "0_Display_Content/codehelp" |
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codeanswer: "0_Display_Content/codeanswer" |
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mimetype: "bash" |
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points: "" # ELO |
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output: |
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log: "bash" |
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