readme md updated and uniq practices

trakiastudent · trakiastudent · commit c63d24ae3365 · 2022-01-11T18:41:22.000+03:00
diff --git a/README.md b/README.md
@@ -21,3 +21,10 @@ I will be sharing in this repository Hackerrank questions solutions and various
 9. Arithmetic Operations
 10. Comptute the Avarage
 11. Fractal Trees (@ copyright)
+12. Cut 1 to 9
+13. Head of text file
+14. Middle of text file
+15. Tail of text file
+16. Tr 1 to 3
+17. Sort 1 to 7
+18. Uniq 1 to 4
diff --git a/hackerrank_practices/36_uniq_2.sh b/hackerrank_practices/36_uniq_2.sh
@@ -0,0 +1,3 @@
+# In this challenge, we practice using the uniq command to eliminate consecutive repetitions of a line when a text file is piped through it.
+
+uniq -c | cut -b7-
diff --git a/hackerrank_practices/37_uniq_3.sh b/hackerrank_practices/37_uniq_3.sh
@@ -0,0 +1,3 @@
+# This time, compare consecutive lines in a case insensitive manner. So, if a line X is followed by case variants, the output should count all of them as the same (but display only the form X in the second column).
+
+uniq -ic|cut -c7-
diff --git a/hackerrank_practices/38_uniq_4.sh b/hackerrank_practices/38_uniq_4.sh
@@ -0,0 +1,4 @@
+# Given a text file, display only those lines which are not followed or preceded by identical replications.
+
+
+uniq -u

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+# In this challenge, we practice using the uniq command to eliminate consecutive repetitions of a line when a text file is piped through it.`
	`2`	`+`
	`3`	`+uniq -c \| cut -b7-`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+# This time, compare consecutive lines in a case insensitive manner. So, if a line X is followed by case variants, the output should count all of them as the same (but display only the form X in the second column).`
	`2`	`+`
	`3`	`+uniq -ic\|cut -c7-`
-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +# Given a text file, display only those lines which are not followed or preceded by identical replications.
++
++
 +uniq -u