grep 8

grep/0_Case_insensitive_search/code

@@ -1 +1 @@
-grep -i "Jordan" $LLO_DATAFILE | head -15
+grep -i "Jordan" $LLO_DATAFILE | head -5

grep/1_Displaying_info/code

@@ -1,3 +1,3 @@
 grep -c "Jordan" $LLO_DATAFILE 
 echo " Prefix each line of output with the 1-based line number within its input file."
-grep -n "Jordan" $LLO_DATAFILE  | tail -15
+grep -n "Jordan" $LLO_DATAFILE  | tail -5

grep/3_Regular_Expressions_Examples/code

@@ -0,0 +1,10 @@
+
+
+grep '[Jj][oO][rR][dD][aA][nN]'  $LLO_DATAFILE
+
+grep '\<b.t\>' $LLO_DATAFILE
+
+grep -E 'Michael Jordan|Eddie Jordan' $LLO_DATAFILE
+
+grep '199[0-9]' $LLO_DATAFILE | grep -E "Kukoc|Jordan"
+

grep/3_Regular_Expressions_Examples/codeanswer

@@ -0,0 +1,2 @@
+
+grep "Jordan" $LLO_DATAFILE | grep -v Edd | grep Michae | grep 199[0,1,2]

grep/3_Regular_Expressions_Examples/codehelp

@@ -0,0 +1 @@
+echo "Try grep --help\n cat --help \n cut --help"

grep/3_Regular_Expressions_Examples/info

@@ -0,0 +1,76 @@
+
+The grep understands three different types of regular expression syntax as follows:
+
+- basic (BRE)
+- extended (ERE)
+- perl (PCRE)
+
+
+Examples
+
+The dot (.) matches any single character. You can match specific characters and character ranges using [..] syntax. 
+
+
+[source,sh]
+----
+grep  "Jordan" $LLO_DATAFILE | grep "\,199.\,M"
+----
+
+INFO: You can escape the dot (.) by preceding it with a \ (backslash)
+
+
+Say you want to Match both ‘Jordan’ or ‘jordan’:
+
+[source,sh]
+----
+grep '[Jj]ordan'  $LLO_DATAFILE
+----
+
+OR
+
+[source,sh]
+----
+grep '[Jj][oO][rR][dD][aA][nN]'  $LLO_DATAFILE
+----
+
+[source,sh]
+----
+grep '\<b.t\>' $LLO_DATAFILE
+----
+
+Where,
+
+-    \< Match the empty string at the beginning of word
+-    \> Match the empty string at the end of word.
+
+
+Do *OR* with grep
+
+[source,sh]
+----
+grep -E 'Michael Jordan|Eddie Jordan' $LLO_DATAFILE
+----
+
+Do *AND* with grep
+
+[source,sh]
+----
+grep '199[0-9]' $LLO_DATAFILE | grep -E "Kukoc|Jordan"
+----
+
+
+[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/3_Regular_Expressions_Examples/q-info

@@ -0,0 +1,28 @@
+
+Try to find 
+
+- 1995-96 Chicago Bulls Roster
+- 2-Point Field Goal Percentage
+- Optional: Jordans Assists
+
+
+
+[source,sh]
+----
+No. 	Player 		Pos
+0	Randy Brown	PG	
+30	Jud Buechler	SF	
+35	Jason Caffey	PF	
+53	James Edwards	C	
+54	Jack Haley	C	
+9	Ron Harper	PG	
+23	Michael Jordan	SG	
+25	Steve Kerr	PG	
+7	Toni Kukoč	SF	
+13	Luc Longley	C	
+33	Scottie Pippen	SF	
+91	Dennis Rodman	PF	
+22	John Salley	PF	
+8	Dickey Simpkins	PF	
+34	Bill Wennington	C	
+----