Import data from multiple big .txt (around 1.5 Mb) into multiple .xlsx

TheShredder

New Member
Joined
Feb 1, 2018
Messages
3
Hi guys,
I'm currently a newbie to VBA macro scripting. While working I need to find a way to import data from a text file to an excel worksheet, and a way to automatize it for a list of .txt into a list of .xlsx . Found a sweet code here http://www.cpearson.com/excel/ImportBigFiles.aspx but it cannot detect that into the .txt data are delimited: so I'm not able to separate them with the default setting for import.
<code>
Delimited
Delimiters : TAB
Column Data format : General
Where do you want to put the data ? Existing worksheet: =$A$1
</code>

Here's the example of what I get manually and what with the code above.

Manually.
https://imgur.com/a/4C5AD

With the script.
https://imgur.com/a/Tefzs

So, in order to resume, I'm looking mainly to a way to get the text properly formatted and without random characters added (+ or _ ).
After that, I'll try something to automatize the process to a list of .txt into a proper folder.

Every tip or suggestion are well accepted.
Thanks for the attention.
4C5AD
 

Excel Facts

Difference between two dates
Secret function! Use =DATEDIF(A2,B2,"Y")&" years"&=DATEDIF(A2,B2,"YM")&" months"&=DATEDIF(A2,B2,"MD")&" days"
so what is your file? Delimited, not delimited, fixed?


My files are delimited by tab. I've solved using python and library xlwt and xlrd. I know it doesn't support .xlsx (infact new files are generated with .xls extension, but for me doesn't matter at all). Here's the code.

<code>
!# /usr/bin/env/python

mypath = raw_input ("Enter the directory ..")

from os import listdir
from os.path import isfile, join
textfiles = [ join(mypath,f) for f in listdir(mypath) if isfile(join(mypath,f)) and '.txt' in f]


def is_number(s):
try:
float(s)
return True
except ValueError:
return False


import xlwt
import xlrd


style = xlwt.XFStyle()
style.num_format_str = '#,###0.00'


for textfile in textfiles:
f = open(textfile, 'r+')
row_list = []
for row in f:
row_list.append(row.split('\t'))
column_list = zip(*row_list)
workbook = xlwt.Workbook()
worksheet = workbook.add_sheet('Sheet1')
i = 0
for column in column_list:
for item in range(len(column)):
value = column[item].strip()
if is_number(value):
worksheet.write(item, i, float(value), style=style)
else:
worksheet.write(item, i, value)
i+=1
workbook.save(textfile.replace('.txt', '.xlsx'))

</code>
 
Upvote 0
Have you tried import via text:
menu: Data tab, From Text, select the file, then set TAB DELIMITED
 
Upvote 0

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