Questions tagged [text]

Questions relating to working with textual information: textual analysis, data mining, etc.

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44 votes
5 answers
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How to import all files of a folder at once?

I know how to import one textfile by calling its name filestring = Import["myfile.tex", "Text"]; Then "filestring" is a string with the myfile content. How do ...
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  • 1,455
42 votes
4 answers
2k views

Is there a convenient way to copy/paste text-interspersed SE code snippets into Mathematica?

Is there a way to copy and paste code snippets from SE to Mathematica if these snippets are interspersed with text? Like e.g. in Morphing Graphics, color and location in both the question and answer, ...
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35 votes
2 answers
3k views

How do I extract the contents of a selected cell as plain text?

My aim is to extract the contents of an Input cells as plain text. Ideally I would like to be able to select one or more Input cells and press a button which would then extract the text from these ...
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  • 35.3k
33 votes
6 answers
5k views

How can I wrap text around a circle?

How can I wrap text around a circle? For example: the text in the sectors of this chord plot. Perhaps one could use FilledCurve[] and then apply a ...
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  • 30.6k
33 votes
4 answers
2k views

Movable text on a curve

Having an arbitrary curve defined as InterpolatingFunction, what is the best way to place a text on this curve? The text generally has two rows, for example: ...
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32 votes
3 answers
3k views

Is there a way to outline text?

If I have: Graphics[ {Red, EdgeForm[Directive[White, Thick]], Inset[Style[Text@"Hi!", 44], {0, 0}]}, Background -> Black ] I unfortunately get: ...
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  • 4,572
30 votes
3 answers
3k views

"Covering up" text in Graphics

Consider the following code: ...
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  • 2,169
29 votes
1 answer
389 views

How to speed up TextJustification in Mathematica 10

Based on this question: - Version 7 print environment - I set up two 10 page test documents in version 7.0.1 and version 10.1. The version 7 document exported to PDF in 4.18 seconds whereas the ...
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  • 29.5k
25 votes
2 answers
34k views

Placing text within a plot

I want to place text within a plot. The text is always centered relative to the coordinates. How can I left-align or right-align the text relative to the coordinates? For example: ...
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21 votes
4 answers
14k views

Skip header lines on import

When importing a data file what are the comment symbols for Mathematica? That is, given a file like this blabla bulbul 1 2 6 54 7 ... .. what symbol do I have ...
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  • 1,525
20 votes
6 answers
3k views

Determine the Number of Lines in a Text File

I have looked and looked but I do not see a simple efficient way to get Mathematica to return the number of lines in a text file? I thought about reading the file until it returned the EOF marker, ...
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  • 1,011
19 votes
3 answers
632 views

Parenthesize what I have highlighted

I want to highlight a piece of equation, click a button and have that part taken into parentheses.
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19 votes
4 answers
942 views

How to call Mathematica from $ \rm\LaTeX $?

The sagetex package for $ \rm\LaTeX $ allows you to embed Sage code into a $ \rm\LaTeX $ document, have that code evaluated during the ...
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  • 11.4k
19 votes
2 answers
2k views

Lexicographic ordering of strings in Mathematica

I recently realized that Mathematica seems incapable of comparing strings in the "normal" expected lexicographic order. Indeed, for some simulations, I need to process text directly, without fiddling ...
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  • 433
18 votes
3 answers
1k views

Highlighting pattern strings in a large text

I would like to apply Style to strings that are matched, for example, with one or more specified patterns or regular expressions, a string or a list of both, ...
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18 votes
1 answer
347 views

Intelligent text search on large directories of notebooks?

I have a (deeply nested) directory containing 10s of thousands of wolfram files (mostly notebooks (nbs), but also scripts (.wls), packages (.m, .q wl), my and wxf data) and many subfolders each with a ...
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  • 30.6k
17 votes
4 answers
1k views

How to determine the convex hull of some text?

How can I get the co-ordinates of the convex hull of a piece of Text?
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  • 1,650
17 votes
3 answers
535 views

Grabbing a number of characters around a string pattern

If I have some string data: text = StringTake[ExampleData[{"Text", "DeclarationOfIndependence"}], 400] "When in the Course of human events, it becomes ...
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17 votes
3 answers
1k views

Apply an image as a texture to text

I have the following equation eq = Sum[x^2, {x, 0, 10}] and an image ...
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  • 7,479
16 votes
2 answers
1k views

Backslash commands in strings?

I discovered by playing around that Text[DisplayForm@SubscriptBox["λ", "k"]] produces the same result as ...
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  • 8,571
16 votes
1 answer
627 views

Automatic edX Pdf Handout creator

I am trying to make an automatic handout creator for my courses on edX. It took me a long time to do it... (If you don't know edX: https://www.edx.org/) I wrote a program that adds to each slide ...
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  • 2,873
15 votes
4 answers
2k views

What stopwords list is the Wolfram language using?

The documentation of DeleteStopwords only says that it "uses a standard, built-in list of stopwords". So what is it exactly? Update Now that it is said "standard"...
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15 votes
4 answers
19k views

subscripts in plot axis labels

Superscripts can be included in axis labels by the use of the caret symbol (e.g., Plot[x^2, {x, -1, 1}, AxesLabel -> {x, x^2}]). How does one include subscripts ...
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  • 1,387
15 votes
2 answers
2k views

Computing the bounding boxes for Text objects

Regardless of AspectRatio, the Text boxes overlap. ...
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  • 14.8k
15 votes
1 answer
758 views

Accessing figure style (oldstyle or lining) of TrueType fonts

Most professional fonts come with at least two figure styles: old style (or text) figures and lining figures. In plots and most other figures I prefer to use lining figures. This is no problem with ...
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  • 3,994
14 votes
2 answers
2k views

How to position text labels automatically to not overlap other graphics elements?

I was plotting reciprocal frame projection using Locators for a point to be expressed in terms of both the original basis (also specified with ...
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  • 6,228
14 votes
1 answer
651 views

How to type text with an underbrace underneath it like: $\underbrace{g...g}_{n-times}$?

I want to use the underbrace "esc u{ esc" but have it placed underneath text. Like $$\underbrace{g...g}_{n-times}$$ in a mathematica text cell. Is it possible? Thanks
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  • 575
14 votes
2 answers
1k views

Dimensions of the results of Text[] within Graphics[]

Is there a way to get the dimensions that the results of a Text[] will occupy within a Graphics[]? Specifically, if I run ...
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  • 3,129
14 votes
2 answers
507 views

Haiku Extractor

Inspired by the cool Tumblr Haiku Times that searches for accidental haiku in New York Times articles, I tried my hand at implementing such a search in Mathematica for my own text samples. I'm still ...
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  • 143
13 votes
3 answers
577 views

Word Squares and Beyond

A word square is a set of words which, when placed in a grid, read the same horizontally and vertically. For example, the following is an English word square of order 5: ...
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13 votes
2 answers
6k views

How to dynamically name and date a file for export?

I have various functions that export Excel and text files, and need to have them named with a name based on the content of some variables in the function and the time and date. How can this be done ...
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  • 4,376
13 votes
1 answer
414 views

Wolfram Neural Net Repository Questions

I am a research scientist in the machine learning team, and mostly involved with the neural net repository. One of the discussions with my group raised these question in my mind, and these might be ...
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12 votes
4 answers
2k views

How to remove unknown zero-width character from string?

I have text that contains a zero-width character that I am not able to remove. A minimum example is in str below where the character is at the start of the text. <...
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  • 39.5k
11 votes
3 answers
16k views

Import selected columns from a tab delimited text file

I have a very huge file (1GB) from which I desire to import only the 5th column. It is a tab delimited text file with a .txt extension. Can you please help me with ...
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  • 823
11 votes
2 answers
306 views

Pasting "rectangles" of text side-by-side

In Emacs/Xemacs, there is a rectangle feature, such that you can delete, copy, etc., "rectangles" of text. Now suppose I have two text files, each containing one column of numbers. Is it possible to ...
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  • 9,485
11 votes
1 answer
1k views

Poor anti-aliasing in Rotated text with ClearType on

There is a problem on my system that occurs when text is rotated 90 degrees as it is in frame labels. This only happens when ClearType is turned on, and only around 90 degrees of rotation. I am ...
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  • 265k
10 votes
3 answers
859 views

ROT13 and upside-down text (flip text)

How can we transform text in order to achieve ROT13 and flip text using Wolfram Mathematica? 1. ROT13 2. Flip text
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  • 31k
10 votes
1 answer
4k views

Is it possible to type equations as text in Mathematica?

I was wondering if I could write an equation, symbolically, but only as part of a text in Mathematica. So I don't want Mathematica to consider anything inside that equation as a variable, nor equate ...
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  • 359
10 votes
2 answers
341 views

Pasting monospaced text into Mathematica notebook destroys aligment

I drew the little ASCII-art electronics schema below in vim. When i try to paste it into a Mathematica notebook, with: A) A code cell B) A monospaced font (Courier New) Mathematica insists on ...
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10 votes
3 answers
441 views

DeleteStopwords in other languages?

I saw that in new version of Mathematica there is an interesting function: DeleteStopwords that deletes stopwords from a list of words, but this function is only ...
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  • 101
10 votes
2 answers
243 views

Inline TeX Input renders wrong characters / symbols

Bug introduced in 12.2, fixed in 13.0. As you may know, you can write TeX within a cell with CTR+$ and press ...
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  • 141
10 votes
0 answers
161 views

How to run GrammarApply offline?

It is a question regarding formal grammar. I have a grammar rule addition as below:- ...
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  • 3,389
9 votes
2 answers
467 views

Apply 2 Styles within Text[]

Please consider : ...
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  • 5,369
9 votes
3 answers
18k views

Label points in plot with a text

I'm a newbie at Mathematica and I couldn't find how to label the maximum and the zero of a simple function in Plot with their names: ...
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9 votes
5 answers
1k views

How to resize the text content of a grid with it?

I am in a resizing mood these days. This code works quite well, up to a point. ...
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  • 937
9 votes
2 answers
1k views

Convert quoted printable aka PrintableASCII characters to UTF-8

I have several .eml email files to import. Some of them were saved as quoted-printable 7-bit encoded. I skipped through the Mathematica documentation and found ...
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  • 323
9 votes
1 answer
1k views

How can I replace the Greek symbols in an expression with their plain text names?

Suppose I have an expression with Greek symbols in it. How would I convert that expression to another expression where the Greek symbols have been replaces with their names in plain text? I've ...
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  • 417
9 votes
1 answer
735 views

Can not edit font on drawing tool

I am simply trying to add some text to a plot via the drawing tool, but it seems the text style options are fixed at some default setting and will not change. You can see in the following picture that ...
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8 votes
3 answers
1k views

Working with text in 3D graphics

I'd like to add text to the surfaces of a cuboid. I have tried Text and Epilog, and neither of them worked. Consider the ...
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  • 731
8 votes
2 answers
2k views

rotating 3d text

Is it possible to create a 3D rotating text like this: animation here. Here is my try so far: ...
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