grep info

grep/2_Displaying_matched_pattern/code

@@ -0,0 +1,8 @@
+echo "Inverting the pattern match"
+grep -v "Jordan" $LLO_DATAFILE | head 5
+echo "Matching the lines that start with a string"
+grep -n "^Mi" $LLO_DATAFILE  | tail -5
+echo "Checking for the whole words in a file"
+grep -w "Jordan" $LLO_DATAFILE  | tail -5
+echo "Displaying only the matched pattern"
+grep -o "Jordan" $LLO_DATAFILE  | tail -5

grep/2_Displaying_matched_pattern/codeanswer

@@ -0,0 +1 @@
+grep -Hns "Jordan" $LLO_DATAFILE | grep -o Ed | head -15

grep/2_Displaying_matched_pattern/codehelp

@@ -0,0 +1 @@
+grep -Hns "Jordan" $LLO_DATAFILE | grep -v Edie | head -1

grep/2_Displaying_matched_pattern/info

@@ -0,0 +1,25 @@
+By default, grep matches the given string/pattern  if it found as a substring in a file. 
+
+- You can display the lines that are not matched with the specified search sting pattern using the *-v* option.
+
+- The *-w* option to grep makes it match only the whole words.
+
+- We can make the grep to display only the matched string by using the *-o* option.
+
+- The *^* regular expression pattern specifies the start of a line. This can be used in grep to match the lines which start with the given string or pattern.
+
+[INFO]
+====
+
+DATAFILE
+
+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.
+
+Take a look in
+link:https://git.swarmlab.io:3000/llo/LabLearningObject/src/branch/master/data/nba_statistics_glossary[Glossary^]
+for a detailed column description
+
+ENVIRONMENT VARIABLE:  LLO_DATAFILE
+
+====
+

grep/2_Displaying_matched_pattern/q-info

@@ -0,0 +1,9 @@
+
+Try to run 
+
+[source,sh]
+----
+grep -Hns "jordan" $LLO_DATAFILE | grep -v Eddie
+----
+
+and see the Results!

index_grep.yml

@@ -49,3 +49,26 @@
       points: "" # ELO
       output:
         log: "bash"
+  2_Displaying_matched_pattern:
+    display_name: "Displaying_matched_pattern"
+    swarmlabservice: "os2"
+    info:
+      file: "2_Displaying_matched_pattern/info"
+    code:
+      lang: "bash"
+      exec: "/bin/bash"
+      file: "2_Displaying_matched_pattern/code"
+      data: "2_Displaying_matched_pattern/data"
+      options: ""
+      mimetype: "bash"
+      output:
+        log: "console"
+        mimetype: "bash"
+    challenge:
+      question: "2_Displaying_matched_pattern/q-info"
+      codehelp: "2_Displaying_matched_pattern/codehelp"
+      codeanswer: "2_Displaying_matched_pattern/codeanswer"
+      mimetype: "bash"
+      points: "" # ELO
+      output:
+        log: "bash"