# \#char

**URL:** https://discourse.julialang.org/tag/char/839.md

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## [Adjoint or transpose of Char or Vector{Char}](https://discourse.julialang.org/t/adjoint-or-transpose-of-char-or-vector-char/137412)

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**Author:** [@jecs](https://discourse.julialang.org/u/jecs)\
**Replies:** 1\
**Last updated:** [June 2, 2026, 9:34pm UTC](https://discourse.julialang.org/t/adjoint-or-transpose-of-char-or-vector-char/137412 "2026-06-02T21:34:28Z")

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Scalar case: julia\> 1' 1 julia\> 'a'' ERROR: MethodError: no method matching adjoint(::Char) The function \`adjoint\` exists, but no method is defined for this combination of argument types. ... Vector case: julia\> \[1…

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## [Comparing characters](https://discourse.julialang.org/t/comparing-characters/123442)

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**Author:** [@hack3rcon](https://discourse.julialang.org/u/hack3rcon)\
**Replies:** 2\
**Last updated:** [December 7, 2024, 6:58am UTC](https://discourse.julialang.org/t/comparing-characters/123442 "2024-12-07T06:58:49Z")

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Hello, I have a file like the following: Where The Mind ~ Is Without Fear I wrote the following program to compare characters and find the largest character: function compare() inn = open("input.txt","r") ch …

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## [Lowercase and uppercase do not handle Mathematical Letters as expected](https://discourse.julialang.org/t/lowercase-and-uppercase-do-not-handle-mathematical-letters-as-expected/110348)

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**Author:** [@benjwweber](https://discourse.julialang.org/u/benjwweber)\
**Replies:** 2\
**Last updated:** [February 17, 2024, 6:38pm UTC](https://discourse.julialang.org/t/lowercase-and-uppercase-do-not-handle-mathematical-letters-as-expected/110348 "2024-02-17T18:38:14Z")

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I have recently noticed that lowercase('𝐴') # '𝐴': Unicode U+1D434 (category Lu: Letter, uppercase) and uppercase('𝑎') # '𝑎': Unicode U+1D44E (category Ll: Letter, lowercase) do not behave as I would have expected, a…

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## [Get pixel array of a Char](https://discourse.julialang.org/t/get-pixel-array-of-a-char/106426)

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**Author:** [@Yly](https://discourse.julialang.org/u/Yly)\
**Replies:** 5\
**Last updated:** [November 21, 2023, 10:59pm UTC](https://discourse.julialang.org/t/get-pixel-array-of-a-char/106426 "2023-11-21T22:59:18Z")

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I am doing image processing work where I need to be able to manipulate images as arrays. I would like to make an array with values 0 or 1 such that the 1’s make the shape of a given letter. It is proving surprisingly d…

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## [Graphemes vs chars](https://discourse.julialang.org/t/graphemes-vs-chars/96118)

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**Author:** [@tim.holy](https://discourse.julialang.org/u/tim.holy)\
**Replies:** 8\
**Last updated:** [March 15, 2023, 12:07pm UTC](https://discourse.julialang.org/t/graphemes-vs-chars/96118 "2023-03-15T12:07:18Z")

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Cthulhu has an internal TextWidthLimiter\<:IO which allows you to print text, attempting (but not always succeeding) in limiting output to a certain number of characters. I’m considering splitting it out into its own pack…

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## [Julia equivalent of C argument \`char \*\*attrlist\[\]\`](https://discourse.julialang.org/t/julia-equivalent-of-c-argument-char-attrlist/92169)

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**Author:** [@mmv](https://discourse.julialang.org/u/mmv)\
**Replies:** 8\
**Last updated:** [December 28, 2022, 10:23pm UTC](https://discourse.julialang.org/t/julia-equivalent-of-c-argument-char-attrlist/92169 "2022-12-28T22:23:33Z")

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Hi! I am trying to access from Julia a C function whose header is declared as follows: MTKt\_status MtkFileAttrList( const char \*filename, int \*attrcnt, char \*\*attrlist\[\] ); where the output argument attrlist sh…

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## [Formatting/converting Matrix{Char} into Vector{String}](https://discourse.julialang.org/t/formatting-converting-matrix-char-into-vector-string/79224)

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**Author:** [@gltchr](https://discourse.julialang.org/u/gltchr)\
**Replies:** 8\
**Last updated:** [April 11, 2022, 6:20pm UTC](https://discourse.julialang.org/t/formatting-converting-matrix-char-into-vector-string/79224 "2022-04-11T18:20:00Z")

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Hello, I am writing some simple wrappers around an old C library. I am new to Julia and absolutely new to C, so it might be something obvious. I have managed to get majority of functions working, but I am unsure about …

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## [Char --\> ISO 15924 "code" ( four-letter script codes / unicode )](https://discourse.julialang.org/t/char-iso-15924-code-four-letter-script-codes-unicode/73988)

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**Author:** [@ImreSamu](https://discourse.julialang.org/u/ImreSamu)\
**Replies:** 2\
**Last updated:** [January 12, 2022, 2:47am UTC](https://discourse.julialang.org/t/char-iso-15924-code-four-letter-script-codes-unicode/73988 "2022-01-12T02:47:27Z")

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Any function/package for converting Julia char to “four-letter script codes”? ISO 15924 Alphabetical Code List https://www.unicode.org/iso15924/iso15924.txt ISO 15924 - Wikipedia Script (Unicode) - Wikipedia

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## [How to break the strings](https://discourse.julialang.org/t/how-to-break-the-strings/73602)

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**Author:** [@junux](https://discourse.julialang.org/u/junux)\
**Replies:** 5\
**Last updated:** [December 25, 2021, 5:13pm UTC](https://discourse.julialang.org/t/how-to-break-the-strings/73602 "2021-12-25T17:13:03Z")

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How do you split a string into chars? for example the\_string="newibe" result=('n', 'e', 'w', 'i', 'b', 'e')

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## [Understanding \`sizeof\` return values on \`Char\` / \`String\`](https://discourse.julialang.org/t/understanding-sizeof-return-values-on-char-string/70099)

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**Author:** [@BambOoxX](https://discourse.julialang.org/u/BambOoxX)\
**Replies:** 2\
**Last updated:** [October 20, 2021, 2:56pm UTC](https://discourse.julialang.org/t/understanding-sizeof-return-values-on-char-string/70099 "2021-10-20T14:56:09Z")

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Can someone explain this behavior of sizeof vs summarysize ? sizeof("z") # 1 sizeof('z') # 4 Base.summarysize('z') # 4 Base.summarysize("z") # 9 When I read the doc sizeof(str::AbstractString) Size, in bytes, of the…