How to use piping multiple shell commands

[Veera]

Hi,

I am trying the below   snippet to  detect  the established ports.  but Ansible throws an error.

 - name: List the  port connections
      shell: "netstat -nautp |grep -iE "137|389|445|636" |awk '{print $5}' |cut -d: -f2 |grep -iwE "137|389|445|636"
      register: dc_stat
      debug:
        var: dc_stat.stdout_lines

this through's the error

The offending line appears to be:


    - name: List the  port connections
      shell: netstat -nautp |grep -iE "137|389|445|636" |awk '{print $5}' |cut -d: -f2 |grep -iwE "137|389|445|636"
                                                                                 ^ here
We could be wrong, but this one looks like it might be an issue with
unbalanced quotes.  If starting a value with a quote, make sure the
line ends with the same set of quotes.  For instance this arbitrary
example:


    foo: "bad" "wolf"


Could be written as:


    foo: '"bad" "wolf"'

I tried  inserted  a " " for the shell commands  and using  vars/pipe also .. 

How can i direct the output of "netstat -nautp |grep -iE "137|389|445|636" |awk '{print $5}' |cut -d: -f2 |grep -iwE "137|389|445|636"" to a variable  ?

Or  do we have to use backslash(\)  as in shell ?

[vinoth kumar]

Error clearly says to use proper quotes 

‘netstat -nautp |grep -iE "137|389|445|636" |awk '{print $5}' |cut -d: -f2 |grep -iwE "137|389|445|636"’ 

Save it in Regiter

Use set_facts to store as a variable 

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[vinoth kumar]

On Thu, 1 Aug 2019 at 8:57 AM, vinoth kumar <vinod...@gmail.com> wrote:

Error clearly says to use proper quotes 

This would be fine i think so 

“netstat -nautp |grep -iE ‘137|389|445|636’|awk '{print $5}' |cut -d: -f2 |grep -iwE ‘137|389|445|636’”

[Veera]

Thanks Vinoth.  It worked

Yes . I learnt that we can use the formatting as in python either with ' '  or  " ".

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