Matlab function for reading formatted data.
textscan is a Matlab function for reading formatted data from text file or string.
For more details, see the Matlab's official doc.
Questions tagged [textscan]
222 questions
1
vote
1 answer
How to import data from file into variable arrays? (Matlab)
I've used matlab to create .txt files that have varying 3 columns separated by tabs (string, float, float) and varying number of rows.
I am trying to read each of those 3 columns of data into 3 different variables. Here is my code:
fileId =…
aboublemc
- 71
- 8
1
vote
2 answers
How do I read in a series of numbers using "Textscan" in MATLAB if the file is mostly text?
I have a text file that have a string of 3 numbers that I need to read into MATLAB.
For Example:
#######################
#
#
# Text Text Text
#
#
#######################
Blah blah blah = ####
Blah blah blah = ####
Blah blah blah = ####
Blah blah…
dewalla
- 1,317
- 8
- 18
- 42
1
vote
1 answer
How do I read comma separated values from a .txt file in MATLAB using textscan()?
I have a .txt file with rows consisting of three elements, a word and two numbers, separated by commas.
For example:
a,142,5
aa,3,0
abb,5,0
ability,3,0
about,2,0
I want to read the file and put the words in one variable, the first numbers in…
user3716193
- 476
- 5
- 21
1
vote
1 answer
Import csv file with values within quotation marks
I want to import a csv file (data.csv) which is structured as follows
Area,MTU,Biomass MW,Lignite MW
CTA|DE(50Hertz),"01.01.2015 00:00 - 01.01.2015 00:15 (CET)","1227","6485"
CTA|DE(50Hertz),"01.01.2015 00:15 - 01.01.2015 00:30…
max.mustermann
- 127
- 1
- 1
- 9
1
vote
1 answer
Reading whitespace and linespace delimited complex numbers from a text file in MATLAB
I have four streams of complex numbers in four columns of a text file
I have to read them into a MATLAB matrix in the same format.
I tried the following, but it does not work
fid = fopen('~//.txt','r');
out = textscan(fid,…
Naveen
- 458
- 1
- 10
- 29
1
vote
1 answer
MATLAB: Incorrect digits when reading float from a string with sscanf
I'm trying to import float data from a text file. In order to do so, I load the individual lines from the file to a string and than parse it with sscanf (textscan shows similar behavior). For some reason, sscanf adds some deviations in the last few…
Vogelfutter
- 11
- 1
1
vote
1 answer
Reading in txt File -Matlab Line Extraction with Logic
Currently stumped with reading in a .txt file with the general layout described below:
(The .txt file follows this general layout "N" times)
-----------------------------------
Header Info 1
Desired data 1
More data
More…
user5380405
- 13
- 3
1
vote
1 answer
MATLAB CSV File Read
I have a CSV file with the following content:
Header line1
Space
Space
Space
,1,2,3,
1,81,82,83
And I am trying to read the data portion into a numeric matrix.
Here is the code I have implemented, however I am having issues.
%To get the number of…
CircAnalyzer
- 610
- 1
- 9
- 29
1
vote
1 answer
Accommodating blank entries in .txt files using textscan - MATLAB
I have a 9-column tab-delimited .txt file containing numerous data-formats - some entries are however empty within 'type'.
id id_2 s1 s2 st1 st2 type desig num
1 1 51371 51434 52858 52939 …
AnnaSchumann
- 1,261
- 10
- 22
1
vote
3 answers
MATLAB: Cannot parse multiple floating-point values
I have a GUI with a UITable (built in GUIDE). I read in two numerical values and through a series of steps convert the floating-point value to a string. I want the user to have the ability to click on a specific cell in the UITable containing the…
DeeWBee
- 695
- 4
- 13
- 38
1
vote
1 answer
Read formated data from .txt to MATLAB correctly
Consider having a .txt file (it's name is saved as variable fName) with data (2 header rows, 5 rows and 2050 columns with data: 1-st column is Time in format hours:minutes:seconds.miliseconds, 2-nd column is a timestamp, all the rest columns are a…
GegznaV
- 4,938
- 4
- 23
- 43
1
vote
2 answers
read complicated format .txt file into Matlab
I have a txt file that I want to read into Matlab. Data format is like below:
term2 2015-07-31-15_58_25_612 [0.9934343, 0.3423043, 0.2343433, 0.2342323]
term0 2015-07-31-15_58_25_620 [12]
term3 2015-07-31-15_58_25_625 [2.3333, 3.4444,…
Hongwei
- 17
- 5
1
vote
1 answer
MATLAB vs. GNU Octave Textscan disparity
I wish to read some data from a .dat file without saving the file first. In order to do so, my code looks as follows:
urlsearch= 'http://minorplanetcenter.net/db_search/show_object?utf8=&object_id=2005+PM';
url=…
CeeGee
- 13
- 2
1
vote
1 answer
usage of textscan in Octave 3.8.2
The following is working fine when reading a data file of "1.2D+02 3.23D+01 ...." in matlab;
tempvs = textscan ( input_unit, '%f', N );
tempvs = cell2mat(tempvs);
tempvs = double(tempvs);
But, the same would not work (does not recognize "D"…
user1678622
- 31
- 2
1
vote
0 answers
Why dosn't Octave textscan skip headerlines?
I am using Octave 4.0.0 on Windows and have problems when using textscan on text data downloaded from the internet. These data have the following format on the internet:
quote_date;paper;exch;open;high;low;close;volume;value
20150605;OTS;Oslo…
myotis
- 393
- 4
- 16