fork(1) download
  1. #!/bin/bash
  2.  
  3. awk -v RS='("[^"]*")' '{gsub(/\n/, "\\n", RT); ORS=RT} 1'
Success #stdin #stdout 0s 4368KB
stdin
Name    mobile  url message text
test11  1234567890  www.google.com  "Data Test New
Date:27/02/2020
sample1: 1bags
sample2: 20bags
Regards
The test user user user Sangha
Ph:091 : 123456789"
test12  1234567891   www.google.com  hello
stdout
Name    mobile  url message text
test11  1234567890  www.google.com  "Data Test New\nDate:27/02/2020\nsample1: 1bags\nsample2: 20bags\nRegards\nThe test user user user Sangha\nPh:091 : 123456789"
test12  1234567891   www.google.com  hello