WebFeb 27, 2024 · This probably isn't a problem with the hostname, but if you have values with whitespace, you'll need it. So: check_host () { echo "$1" printf "%s\n" "$1" } check_host "$ (hostname)" Printing arbitrary data with printf should also be done through the %s format specifier as above. Otherwise any % signs in the data would be interpreted by printf. WebThe 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 …
command line - Which is better printf or echo? - Ask Ubuntu
WebOne major difference is that echo can take multiple parameters to output. E.g.: echo 'foo', 'bar'; // Concatenates the 2 strings print ('foo', 'bar'); // Fatal error. If you're looking to evaluate the outcome of an output statement (as below) use print. If not, use echo. WebMar 28, 2024 · The single quote will not interpret anything like variables, backslash, etc. into other forms. For example: $: $ sign is used in the shell to retrieve the value of variables. echo: echo command is used to print the text or string to the shell or output file. Here we initialized a variable name “h” and 5 to it, and then we used the echo ... farmers almanac texas
What is the difference between echo and print? Codecademy
WebMay 17, 2014 · 33. Preferable and most widely used is not the same thing. 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. It is hard to predict what you're actually running when you ... WebMay 16, 2014 · 33. Preferable and most widely used is not the same thing. While printf is better for many reasons, most people still use echo because the syntax is simpler. The … WebJan 2, 2024 · PHP Server Side Programming Programming. The print and echo are both language constructs to display strings. The echo has a void return type, whereas print has a return value of 1 so it can be used in expressions. The print_r is used to display human-readable information about a variable. free online school courses for kids