Jython: How to remove '\n' from the end of a string being read in

Question

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Python: How to remove /n from a list element?

I'm trying to read in data from text file but when the data is read in and added to an array, so is the '\n' because each set of data is on a new line.

  for j in range(numStations):
    allStations.insert(j, my_file2.readline())

Which results in an output of:

  ['H1\n', 'H2\n', 'H3\n', 'H4\n', 'H5\n', 'Harriston\n']

score 1 · Answer 1 · answered Dec 09 '11 at 18:06

1

If you want to get crazy with Python syntax:

map(lambda x: x.rstrip('\n'), input_list)

This is equivalent to:

[x.rstrip('\n') for x in input_list]

I'm not sure which one is faster, though. I just wanted to use a lambda.

answered Dec 09 '11 at 18:06

Blender

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You could strip the line while it is being looped over like so: `foo.readline().rstrip('\n')` too. – Blender Dec 09 '11 at 18:12

score 1 · Accepted Answer · answered Dec 09 '11 at 18:08

1

Did you try the normal way of getting rid of whitespace?

my_file2.readline().strip()

answered Dec 09 '11 at 18:08

Dave

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score 0 · Answer 3 · answered Dec 09 '11 at 18:09

0

for i in range(numStations):
     allStations.insert(j,my_file2.readline().rstrip())

answered Dec 09 '11 at 18:09

Wissam Youssef

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score 0 · Answer 4 · answered Dec 09 '11 at 18:39

0

for line in file:
    data = line[:-1].split("\t")

I use this all the time for tab delimited data.

answered Dec 09 '11 at 18:39

WombatPM

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Jython: How to remove '\n' from the end of a string being read in

4 Answers4