Questions tagged [special-characters]
If it has a meaning beyond its literal meaning, a meta-meaning, then we refer to it as a special character.
255 questions
4
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1
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736
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How can I remove special non-characters that are not part of national alphabets like faces from filenames, keeping any national alphabets intact?
How can I remove special non-characters e.g. faces, avatars, emojis, symbols that are not part of national alphabets from filenames while keeping any national alphabets intact?
e.g. ...
- 350
2
votes
2
answers
156
views
How does `*\ *` work in bash?
There is an answer from SuperUser, which renames filenames containing whitespace:
for f in *\ *; do mv "$f" "${f// /_}"; done
The part I don't understand is *\ *.
The author wrote ...
- 489
0
votes
1
answer
188
views
username with "/" gets truncated
I am trying to SSH to Linux box with username containing /.
For example: tes/t
But the characters after / get truncated and user is seen as tes during SSH. SSH then fails with this user since its ...
- 13
3
votes
2
answers
662
views
How do quotes work in bash regex regarding reserved characters?
Is there any special bash reserved characters in bash regex expression?
ex:
eg: if [[ $url =~ ^https:\/\/www\.youtube\.com\/playlist\?(.+&)?list= ]]; then echo "URL matches the regex"; ...
- 133
0
votes
2
answers
115
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What does '-' as a file parameter mean? [duplicate]
I'm having trouble finding a name for the - character in the context of a piped bash command.
What is the - character called?
Can I replace it with something more readable for a script?
Example ...
- 4,576
1
vote
1
answer
588
views
using tabs within block for ansible blockinfile module
I want to output some text with tab as separator using ansible
here's task snippet
- name: Create output file
blockinfile:
block: |
Some text\tmore text
path: '{{ playbook_dir }}/...
- 2,009
-1
votes
2
answers
100
views
How to replace (***) with \(***\) with sed
so I wanted to write a script to replace special characters with their escaped equivalent so I can pass it to mkdir command.
As a friend used a similar line I can use this to replace parantheses with ...
0
votes
1
answer
78
views
value of $VAR already contains backtick and/or single quote inside. How to handle it? How to properly pass $VAR to program? [duplicate]
$ bash --version
GNU bash, versione 5.2.26(1)-release (x86_64-pc-linux-gnu)
I don't know how to deal with $VAR when its value inside contains single quote (') and/or backtick (`).
I'm in the need of ...
- 33
2
votes
1
answer
2k
views
Why is a filename surrounded by double quotes with single quotes around a character when displayed in terminal?
Why would a file show up surrounded by double quotes with a character surrounded by single quotes within it?
"insight_automation.log'.'2024-03-13"
I am using Ubuntu Server 22.04.3 LTS. A ...
- 123
1
vote
1
answer
100
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cat vs. view and execution of file containing diacritics uploaded from Windows to Linux with WinSCP
I have a DE_CopyOldToNew.sh file that was created in Windows. The file is then uploaded to Linux using WinSCP. The file contains a whole bunch of cp commands that copies files to a new folder with a ...
- 135
3
votes
3
answers
1k
views
Use of special characters in filename
I need to create a file named *'test'*
If I write touch \'test\'
ls shows 'test'
But if I write touch \*\'test\'\*
ls now shows *'\''test'\''*
What's the trick ? Can someone explain me what I did ...
- 41
0
votes
0
answers
565
views
Strange/Buggy Characters in the Terminal
I use Debian SID and the Terminator is my terminal emulator. After updating the system the last time (yesterday 2023/11/22) and rebooting, some characters in my terminal in certain commands are ...
- 413
2
votes
1
answer
445
views
Escape special characters from variables [duplicate]
I have
#!/usr/bin/bash
search="ldo_vrf18 {"
replace="$search"' compatible = "regulator-fixed";
regulator-name = "vrf18&...
- 491
1
vote
2
answers
287
views
Recursive pattern search - output formating: for each match file print out the specific file name "\n", line number, sentence matched "\n" in colors
I want a file content search command, under Linux so that:
it will search on specified files, e.g: md, txt, htm.
recursively from the folder and its subfolders, e.g: .
the content search can be ...
- 69
0
votes
1
answer
617
views
Using the SED command with special characters
Is there a way to use the sed command this to search for a special character at the beginning of line, replace it with another special character, and append a special character to that line only?
I ...
- 3