Update tenth-line.sh

kamyu104 · kamyu104 · commit 8712e901488d · 2015-09-09T00:27:32.000+08:00
diff --git a/Shell/tenth-line.sh b/Shell/tenth-line.sh
@@ -23,4 +23,13 @@
 # 2. There's at least three different solutions. Try to explore all possibilities.
 #
 # Read from the file file.txt and output the tenth line to stdout.
+
+# Solution 1
 awk '{if(NR==10) print $0}' file.txt
+awk 'NR == 10' file.txt
+
+# Solution 2
+sed -n 10p file.txt
+
+# Solution 3
+tail -n+10 file.txt | head -1
