{"id":36823,"date":"2024-02-14T08:20:14","date_gmt":"2024-02-14T08:20:14","guid":{"rendered":"https:\/\/linuxsimply.com\/?p=36823"},"modified":"2024-03-31T06:19:10","modified_gmt":"2024-03-31T06:19:10","slug":"bash-string-functions","status":"publish","type":"post","link":"https:\/\/linuxsimply.com\/bash-scripting-tutorial\/string\/manipulation\/string-functions\/","title":{"rendered":"How to Use String Functions in Bash? [Examples Included]"},"content":{"rendered":"

You can follow these syntaxes to implement string functions in Bash:<\/p>\n

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  1. Declaring String with “declare” Command: declare a="string value"<\/code><\/li>\n
  2. Asking Input from User with “read” Command: read variable_name<\/code><\/li>\n
  3. Determining Length of String: length="${#string_name}"<\/code><\/li>\n
  4. Extracting Substring from String: extracted_string="${original_string:start:end}"<\/code><\/li>\n
  5. Concatenating Strings in Bash: concatenated_string=${string1}${string2}<\/code><\/li>\n
  6. Splitting Strings Into Arrays in Bash: read -a array_name <<< "$string_name"<\/code><\/li>\n<\/ol>\n

    Before using, a string variable must be declared properly, and then the string can be assigned to the declared string variable either manually or from user input. There are string functions in Bash for determining the length of a string, concatenating multiple strings into a single string, and splitting strings into arrays and individual words according to the specified Internal Field Separator(IFS)<\/strong>. In this article, I will briefly discuss these.<\/p>\n

    <\/i> Practice Files to Work with String Functions in Bash<\/span><\/a><\/div>\n
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    Table of Contents<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n