
Difference between 'echo' and 'echo -e' - Unix & Linux Stack …
What is the difference between echo and echo -e? And which quotes (" or ') should be used with the echo command? I.e: echo "Print statement" or echo 'Print statement'? Also, what are the …
How to use echo command to print out content of a text file?
39 I am trying to figure out what is the usage of this command: echo < a.txt According to text book it should redirect a programs standards input. Now I am redirecting a.txt to echo but instead of …
linux - What does echo $? do? - Unix & Linux Stack Exchange
Feb 17, 2019 · $? is useful in shellscripts as a way to decide what to do depending on how the previous command worked (checking the exit status). We can expect that the exit status is 0 …
How to echo shell commands as they are executed - Stack Overflow
May 18, 2010 · To allow for compound commands to be echoed, I use eval plus Soth's exe function to echo and run the command. This is useful for piped commands that would …
How to add new lines when using echo - Unix & Linux Stack …
Oct 10, 2018 · An echo implementation which strictly conforms to the Single Unix Specification will add newlines if you do: echo 'line1\nline2' But that is not a reliable behavior. In fact, there …
How do I append the UNIX command date to an echo statement
Jul 20, 2015 · So echo can accomplish the first bit, and date can accomplish the last, but only separately, how can I put them together (in one command) so they output together.
Repeat a Unix command every x seconds forever
656 There's a built-in Unix command repeat whose first argument is the number of times to repeat a command, where the command (with any arguments) is specified by the remaining …
Redirecting the content of a file to the command "echo"
Jul 1, 2016 · If you want echo to display the content of a file, you have to pass that content as an argument to echo For instance, you can do it like this with xargs (considering that you need to …
Echo tab characters in bash script - Stack Overflow
May 6, 2016 · How do I echo one or more tab characters using a bash script? When I run this code
Change font in echo command - Unix & Linux Stack Exchange
Many editors have problems with (char)0x1b. Alternatives: copy/paste it from somewhere, or use echo -e "\x1b[1m bold" in bash, or a hex editor. Or, even simpler: echo -e "\e[1m bold" The \e …