Question

I have been putting together a bash script and within it I need to update a file with some neccasary information. The command I am using is below:

sudo sed '
/end/ a\
First line to update\
  param 1 'var1'\
  param 2 'var2'\
  param 3 'var3'\
  param 4 'var4'\
end\
' TestFile >TestFileNew

Now this should update the file with the data and should look like this:

end
First line to update
  param 1 'var1'
  param 2 'var2'
  param 3 'var3'
  param 4 'var4'
end

The file does get created and the data is in it however it seems to strip the ‘ symbols from the text and I don’t want this to happen, can anyone please help?? An example of what is actually getting produced is below:

end
First line to update
  param 1 var1
  param 2 var2
  param 3 var3
  param 4 var4
end

Answer 1

Use "" as the outer quotes:

sudo sed "
/end/ a\\
First line to update\\
  param 1 'var1'\\
  param 2 'var2'\\
  param 3 'var3'\\
  param 4 'var4'\\
end\\
" TestFile >TestFileNew