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linecache2_read_specific_line_with_caching.py
pythonReads a specific line from a file while automatically caching the file conten
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linecache2_read_specific_line_with_caching.py
1import linecache2
2
3# Specify the filename and the line number (1-indexed)
4filename = 'example.txt'
5line_number = 2
6
7# Create a dummy file for the demonstration
8with open(filename, 'w') as f:
9 f.write("Line 1: Hello\n")
10 f.write("Line 2: Welcome to linecache2\n")
11 f.write("Line 3: Goodbye\n")
12
13# Use linecache2 to get a specific line
14# This will return the line (including the newline character)
15line = linecache2.getline(filename, line_number)
16
17print(f"Line {line_number}: {line.strip()}")
18
19# Clear the cache if the file has changed on disk
20linecache2.clearcache()