cut field

cut/2_Cutting_Field/code

@@ -0,0 +1,15 @@
+
+echo "Cutting Contents of a file on the standard output (stdout)."
+echo "-----with fields-----"
+
+echo ""
+echo "field 5"
+cut -d',' -f5 $LLO_DATAFILE | head -5
+
+echo ""
+echo "field 8,13"
+cut -d',' -f8,13 $LLO_DATAFILE | head -5
+echo ""
+
+echo "field 8-10"
+cut -d',' -f8-10 $LLO_DATAFILE | head -5

cut/2_Cutting_Field/codeanswer

@@ -0,0 +1 @@
+cut -d',' -f8,13 $LLO_DATAFILE | grep "[A-Z,a-z]" | head -5

cut/2_Cutting_Field/codehelp

@@ -0,0 +1,6 @@
+
+-d option is used then it considered ',' as a field separator or delimiter
+
+grep with regex (see grep)
+
+

cut/2_Cutting_Field/info

@@ -0,0 +1,33 @@
+
+*-f(field):* To extract the specific field.
+
+*-c* option is useful for fixed-length lines.
+
+Most files doesn’t have fixed-length lines. 
+
+To extract information you need to cut by fields. 
+
+List of the fields must be separated by -d option. 
+
+
+[source,bash]
+----
+cut -d',' -f5 $LLO_DATAFILE | head -5
+----
+
+
+[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
+
+====
+

cut/2_Cutting_Field/q-info

@@ -0,0 +1,9 @@
+
+Try to run 
+
+[source,sh]
+----
+cut -d',' -f8,13 $LLO_DATAFILE | grep "[A-Z,a-z]" | head -5
+----
+
+and see the Results!

index_cut.yml

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