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Add to_fwf support #10415

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cancan101 opened this issue Jun 23, 2015 · 4 comments
Open

Add to_fwf support #10415

cancan101 opened this issue Jun 23, 2015 · 4 comments
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Enhancement IO Fixed Width read_fwf

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@cancan101
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Right now pandas can read fwf but there is no to_fwf.
From SO.

This output format seems similar to what numpy.savetxt handles.
@jreback
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jreback commented Jun 23, 2015

see xref here: #3190

@jreback jreback added Enhancement Output-Formatting __repr__ of pandas objects, to_string IO CSV read_csv, to_csv labels Jun 23, 2015
@jreback jreback added this to the Someday milestone Jun 23, 2015
@WillAyd WillAyd mentioned this issue Mar 6, 2019
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@jbrockmendel jbrockmendel added IO Fixed Width read_fwf and removed IO CSV read_csv, to_csv labels Dec 11, 2019
@mroeschke mroeschke removed the Output-Formatting __repr__ of pandas objects, to_string label Apr 18, 2021
@mroeschke mroeschke removed this from the Someday milestone Oct 13, 2022
@koubaa
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koubaa commented Nov 7, 2022

Hello! Try using hollerith. pypi github. It's a (very) new python library that I developed that deals with fixed width formatting - and open to contribution. Unfortunately trying to use built-in python string formatting (or the C printf for that matter!) for fixed width doesn't work well for some widths when there are large integers and certain double precision floats.

@swarajban
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+1 on this feature request

@Tammura
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Tammura commented May 6, 2024

Anyone is working on this feature? I'm trying using to_string() method but it has no option to remove space between output columns

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Enhancement IO Fixed Width read_fwf
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@cancan101 @swarajban @jreback @jbrockmendel @mroeschke @koubaa @Tammura