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I am having a bash script which is something like following,
cat filename | while read line do read input; echo $input; done but this is clearly not giving me the right output as when I do read in the while loop it tries to read from the file filename because of the possible I/O redirection.
Any other way of doing the same?
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Use while Loop With User Input in JavaThe loop will continue to take user inputs till there is an input number that is not a member of the array. Let's try multiple inputs till the loop breaks. The loop will break when a number is entered which is not a member of the array. Run code here.
First Read the input number asking for the length of the list using the input() function and store these values into a list. After that, you can use the sum() function or Iterate each element in the list using for loop and sump up all.
Read from the controlling terminal device:
read input </dev/tty more info: http://compgroups.net/comp.unix.shell/Fixing-stdin-inside-a-redirected-loop
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