> hi; > say i have a text file with a string ( say '(XYZ)') and I want to find > the number of line where this string has occured. What is the best way > to do that?
I would suggest:
# Read file contents
lines = file('filename.txt').readlines()
# Extract first line number containing 'XYZ' string
[(i, l) for (i, l) in enumerate(lines) if 'XYZ' in l][0][0]
Best regards,
Marek
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