awk - In Linux replace \n with \n\n from text (file) -

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मान लें कि हमारे पास सरल पाठ है 

  aaaa bbbb cccc

आउटपुट: 

  आहा बीबीबीबी सीसीसीसी

कोई भी विचार

यह आपके लिए (GNU sed) काम कर सकता है: 

  sed जी फ़ाइल

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