Why does bash not quote variable with double quotes?

Mandy Swaniawski asked a question: Why does bash not quote variable with double quotes?
Asked By: Mandy Swaniawski
Date created: Mon, Apr 5, 2021 12:33 PM

Content

Top best answers to the question «Why does bash not quote variable with double quotes»

  • If we properly quoted our variable with double quotes ( " ), this would not happen: This time, Bash read the statement as if [ "" == "a" ] - a statement both easier on the eyes and the Bash compiler. No output is generated as clearly an empty string does not equal the letter a.

FAQ

Those who are looking for an answer to the question «Why does bash not quote variable with double quotes?» often ask the following questions:

💻 How to set variable with double quotes in bash?

  • Need help in fixing this bash script to set a variable with a value including double quotes. Somehow I am defining this incorrectly as my values foo and bar are not enclosed in double quotes as needed. What i need is account:"foo", profile:"bar" to be enclosed in double quotes.

💻 How to remove quotes from string variable bash script?

  • A single line sed command can remove quotes from start and end of the string. The above sed command execute two expressions against the variable value. The first expression 's/^"//' will remove the starting quote from the string. Second expression 's/"$//' will remove the ending quote from the string. The result will be printed on the terminal.

💻 How do you escape a double quote in bash?

A double quote may be quoted within double quotes by preceding it with a backslash. If enabled, history expansion will be performed unless an ' ! ' appearing in double quotes is escaped using a backslash. The backslash preceding the ' !

Your Answer

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  1. vech=Bus. Display the value of a variable with echo, enter:
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Using + and - Operators

The most simple way to increment/decrement a variable is by using the + and - operators. This method allows you increment/decrement the variable by any value you want.

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  1. #!/bin/bash.
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When to use valid variable names in bash?

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How do i remove quotes in bash?

2 Answers. A very simple option is to use sed as @Dani proposes if you want to remove all double-quotes. Nevertheless, if you want to remove only internal quotes, I would suggest removing all quotes and adding one at the beginning and one at the end as follows. sed 's/|/"|"/g' adds a quote before and after each pipe.

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How do you echo quotes in bash?

Use a backslash: echo "\"" # Prints one " character. It's done by finishing an already-opened one ( ' ), placing the escaped one ( \' ), and then opening another one ( ' ). It's done by finishing already opened one ( ' ), placing a quote in another quote ( "'" ), and then opening another one ( ' ).

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