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195. Tenth Line

Description

Given a text fileΒ file.txt, printΒ just the 10th line of theΒ file.

Example:

Assume that file.txt has the following content:


Line 1

Line 2

Line 3

Line 4

Line 5

Line 6

Line 7

Line 8

Line 9

Line 10

Your script should output the tenth line, which is:


Line 10
Note:
1. If the file contains less than 10 lines, what should you output?
2. There's at least three different solutions. Try to explore all possibilities.

Solutions

Solution 1: sed

1
2
# Read from the file file.txt and output the tenth line to stdout.
sed -n 10p file.txt

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