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Why is printf better than echo?
While printf is better for many reasons, most people still use echo because the syntax is simpler. The main reasons why you should prefer printf are: echo is not standardized, it will behave differently on different systems.
What is difference between printf and echo?
echo always exits with a 0 status, and simply prints arguments followed by an end of line character on the standard output, while printf allows for definition of a formatting string and gives a non-zero exit status code upon failure. printf has more control over the output format.
Which one would be better to print formatted string on the terminal printf or echo?
printf , on the other hand is more reliable, at least when it’s limited to the basic usage of echo . Will output the content of $var followed by a newline character regardless of what character it may contain. Will output it without the trailing newline character.
Is echo like print?
echo and print are more or less the same. They are both used to output data to the screen. The differences are small: echo has no return value while print has a return value of 1 so it can be used in expressions. echo can take multiple parameters (although such usage is rare) while print can take one argument.
Can we use printf in bash?
Typically, when writing bash scripts, we use echo to print to the standard output. To have more control over the formatting of the output, use the printf command. The printf command formats and prints its arguments, similar to the C printf() function.
What’s the difference between printf and Echo in Bash?
The difference between echo and printf command is that echo automatically adds a new line character at the end but for printf, you have to explicitly add it. Pay special attention to type and number of arguments Keep in mind that the format string tries to be applied to all the arguments. This is why you should pay special attention to it.
Do you put N in the output of Echo newline?
PS: the command echo has an effect of always including a trailing newline in the output so -n is required to turn that thing off (and make it less confusing)
Which is better printf or echo for formatting?
You might want to use printf for its formatting options. echo is useful when it comes to printing the value of a variable or a (simple) line, but that’s all there is to it. printf can basically do what the C version of it can do.
What are the arguments in the printf command?
In the example printf “My brother %s is %d years old. ” Prakash 21, the entire “My brother %s is %d years old. ” is format and it is followed by the arguments Prakash and 21. The arguments are used for replacing the format specifiers (%s, %d etc) which I’ll explain later in this article.