bash - Adding header to an ascii catalogue -

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मैं ascii फ़ाइल को bash script using a header जोड़ना चाहूंगा / कोड>। अस्थायी टेक्स्ट फ़ाइल के बिना यह करने का सबसे छोटा तरीका क्या है?

आप इस तरह से कोशिश कर सकते हैं 

  sed '1 I \' हैडर फ़ाइलनाम

उदाहरण: 

  सीक 5 |

आउटपुट: 

  शीर्ष 1 2 3 4 5

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