Program to expand list of entries

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Epimetheus

19

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Joined: 5th Oct 2003

Location: Naples, Florida

Posted: 11th Jan 2015 02:22

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I need a simple program that can take a list of text and then duplicate each line to make the list size a number I can set, with each entry expanded evenly to fill the list e.g.

list item 1
list item 2
list item 3

expanded to 9 entries:

list item 1
list item 1
list item 1
list item 2
list item 2
list item 2
list item 3
list item 3
list item 3

it should be able to expand any size of list, is there any off the shelf program that does this, something like a notepad++ plugin, or ultraedit?

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Indicium

15

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Joined: 26th May 2008

Location:

Posted: 11th Jan 2015 05:43

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I highly doubt you'll find anything that'll do this for you. It's not really common to need that, I don't see a use case. You could write a simple program to do it for you.

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MrValentine

AGK Backer

12

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Joined: 5th Dec 2010

Playing: FFVII

Posted: 11th Jan 2015 08:25

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Download DBPro, and use this code:

+ Code Snippet

OPEN TO READ 1, "Testing.txt"

	IF FILE EXIST("TestingModified.txt")
		DELETE FILE "TestingModified.txt"
	ENDIF
	
		OPEN TO WRITE 2, "TestingModified.txt"

			WHILE FILE END(1) = 0
				READ STRING 1, LineData$
					FOR X = 1 TO 3
						WRITE STRING 2, LineData$
					NEXT X
			ENDWHILE

		CLOSE FILE 2
CLOSE FILE 1

END

Thanks for the challenge!

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TheComet

15

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Joined: 18th Oct 2007

Location: I`m under ur bridge eating ur goatz.

Posted: 11th Jan 2015 15:05

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Or use python:

+ Code Snippet

#!/usr/bin/env python

with open('text.txt', 'r+') as f:
    f.write(''.join([line*3 for line in f])+str(f.seek(0,0)).strip('None'))

Note: The above code is insanely hack-ish because I wanted it to be 2 lines.

The more readable version:

+ Code Snippet

with open('text.txt', 'r+') as f:
    lines = ''.join([line*3 for line in f])
    f.seek(0, 0)
    f.write(lines)

With command line args:

+ Code Snippet

#!/usr/bin/env python

import sys

if __name__ == '__main__':

    if len(sys.argv) < 3:
        print 'Usage: ' + sys.argv[0] + ' <filename> <multiplier number>'
        sys.exit(0)

    filename = str(sys.argv[1])
    multiplier = int(sys.argv[2])

    with open(filename, 'r+') as f:
        lines = ''.join([line*multiplier for line in f])
        f.seek(0, 0)
        f.write(lines)

    sys.exit(0)

Usage example:

+ Code Snippet

./expand.py myfile.txt 3

I like offending people. People who get offended should be offended. -- Linus Torvalds

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BatVink

Moderator

20

Years of Service

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Joined: 4th Apr 2003

Location: Gods own County, UK

Posted: 12th Jan 2015 13:01 Edited at: 12th Jan 2015 13:02

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Notepad++ does it out of the box, no programming required. You can do this with any search/replace that accepts regex functions:

Quidquid latine dictum sit, altum sonatur

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Dark Java Dude 64

Community Leader

12

Years of Service

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Joined: 21st Sep 2010

Location: Neither here nor there nor anywhere

Posted: 12th Jan 2015 14:22 Edited at: 12th Jan 2015 14:23

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Ugh, I must be tired this morning. I saw that post there, and thought that a separate window had popped up over the forums. I stared at it for a few seconds, and became slightly angry at it. I tried to click on it, but nothing happened. I then realized, it's just an image...

EDIT I also thought this was the Posting Competition.

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Matty H

14

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Joined: 7th Oct 2008

Location: England

Posted: 12th Jan 2015 15:41

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Quote: "I tried to click on it, but nothing happened. I then realized, it's just an image..."

That made me laugh because I sometimes do that

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Epimetheus

19

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Joined: 5th Oct 2003

Location: Naples, Florida

Posted: 13th Jan 2015 20:22

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Thanks guys, these are all really useful

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Clonkex

Forum Vice President

13

Years of Service

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Joined: 20th May 2010

Location: Northern Tablelands, NSW, Australia

Posted: 17th Jan 2015 12:29

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Quote: "Ugh, I must be tired this morning. I saw that post there, and thought that a separate window had popped up over the forums. I stared at it for a few seconds, and became slightly angry at it. I tried to click on it, but nothing happened. I then realized, it's just an image...

EDIT I also thought this was the Posting Competition."

LOL HAHAHAHAHAHA this is brilliant ROFL

Just imagining you doing that!

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