How to convert a string to uppercase in Bash?

How to convert a string to uppercase in Bash?

To easily convert a text string to UPPERCASE we use the built-in bash commands: echo. tr. $ echo convert this to uppercase | tr [a-z] [A-Z] CONVERT THIS TO UPPERCASE $. To convert a complete file we use the ‘<‘ redirect: $ tr [a-z] [A-Z] < convert_to_uppercase.txt CONVERT THIS TO UPPERCASE $.

How to print answer in uppercase in Bash?

Create a base file named case1.sh with the following code. In this example, the user input is taken in the variable, $ans and the value of this variable is printed with other string by converting the first character to uppercase. echo “Your answer is $answer.”

How do you change the case of a string in Bash?

Sometimes we need to change the case of the string to get the desired output. The string can be converted to uppercase or lowercase. The string data is converted by using ‘tr’ command in the old version of bash. In this case, the keyword ‘: upper’ is used for uppercase and the keyword ‘: lower’ is used for lowercase.

What’s the overhead of calling a subshell in Bash?

This answer has the overhead of calling a subshell (another shell), the overhead of calling the ‘tr’ utility (another process, not Bash), the overhead of using a here-doc/string (temporary file creation) and it uses two substitutions compared to the best scored answer’s one.

How to convert files to UTF-8 encoding in Linux?

Then finally, we will look at how to convert several files from any character set ( charset) to UTF-8 encoding in Linux. As you may probably have in mind already, a computer does not understand or store letters, numbers or anything else that we as humans can perceive except bits.

How to convert an ISO file to UTF-8?

The shortest version, if you can assume that the input BOM is correct: Also there are iconv-based tools in many languages. On Windows I was able to use Notepad++ to do the conversion from ISO-8859-1 to UTF-8. Click “Encoding” and then “Convert to UTF-8”.

How to convert a file to ASCII encoding?

Consider a file named input.file which contains the characters: Let us start by checking the encoding of the characters in the file and then view the file contents. Closely, we can convert all the characters to ASCII encoding.