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Re: POSIX compliant sed making newline character

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On 8/21/2020 7:51 PM, Greg Wooledge wrote:
> On Fri, Aug 21, 2020 at 07:49:07PM +0200, john doe wrote:
>> Hello all,
>>
>> I'm trying to use the command provided at (1):
>>
>> $ sed '/pattern{N;N;a try\d10}' input-file
>> sed: -e expression #1, char 0: unmatched `{'
>
> Are you missing a second / character after the pattern?
>
> Why are you obfuscating the command?  Why not SHOW the actual command?
>

Yes, I'm missing a '/'.

the command is:

$ sed '/line1/{N;N;a line-to-add}' input-file

>> As I understanded, I should make a newline before the right brace.
>> I thought that '\d10' should do it but as shown above it does not.
>
> I have no idea how you came up with that.
>
> If you're doing this from bash, you could use bash's special $'...'
> quoting to pass a newline encoded as \n .
>

So something like the following:

$ sed '/line1/{N;N;a line-to-add$'\n'}' input-file

> Otherwise, put an ACTUAL newline inside the quotes.  You know, by
> pressing the Enter key.  That's portable to every sh family shell.
>

Actually, I do not know, that is why  I'm  asking in here! :)

--
John Doe

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Thread

POSIX compliant sed making newline character john doe <johndoe65534@mail.com> - 2020-08-21 19:50 +0200
  Re: POSIX compliant sed making newline character Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-21 20:00 +0200
    Re: POSIX compliant sed making newline character john doe <johndoe65534@mail.com> - 2020-08-21 20:10 +0200
      Re: POSIX compliant sed making newline character Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-21 20:40 +0200
        Re: POSIX compliant sed making newline character Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-21 20:40 +0200
          Re: POSIX compliant sed making newline character john doe <johndoe65534@mail.com> - 2020-08-21 21:00 +0200
            Re: POSIX compliant sed making newline character john doe <johndoe65534@mail.com> - 2020-08-21 21:10 +0200
              Re: POSIX compliant sed making newline character Andrei POPESCU <andreimpopescu@gmail.com> - 2020-08-22 18:40 +0200
                Re: POSIX compliant sed making newline character john doe <johndoe65534@mail.com> - 2020-08-22 20:50 +0200
            Re: POSIX compliant sed making newline character Greg Wooledge <wooledg@eeg.ccf.org> - 2020-08-21 21:10 +0200

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