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Test stdin data presence in bash

/ Published in: Bash
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  1. #!/bin/sh
  2. if [ -t 0 ]; then
  3.     echo running interactivelly
  4. else
  5.     while read -r line ; do
  6.         echo $line
  7.     done
  8. fi

URL: http://stackoverflow.com/questions/2456750/detect-presence-of-stdin-contents-in-bourne-shell

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