Thanks Todd for the details ...
On Saturday, December 16, 2023 at 1:30:25 AM UTC+5:30 Todd Lewis wrote:
> You said, "However the split happens based on ',' , and then we remove
> the quotes with map('map', 'trim')) and align the lines with range."
>
> It's true that "split(',')" will split a string containing commas into a
> list of strings. But the trim filter does nothing with quotes.
>
> Rather, "trim" removes leading and trailing spaces from the string piped
> into it:
> a_string | trim
>
> Further, "map('trim')" removes leading and trailing spaces from each
> string of the list of strings passed to it:
> [str0, str1, str2] | map('trim')
>
> Finally, "map('map', 'trim')" trims strings two levels deep in lists:
> [[sa0, sa1], [sb0, bs1], [sc0, sc1]] | map('map', 'trim')
>
> Quotes never play into it. In fact, in what you initially posted, and in
> my response, the string data contain no quotes.
>
> Also, "range" isn't to align anything. It provides the necessary first
> parameter to the "extract" filter.
>
> However assuming split with delimiter as comma, when i try to replace 1
> with 0 the output is [msg: "{{ range(my_var | length) | map('extract',
> (my_var | map('split', ',') | map('map', 'trim')), [*0*]) }}"]
>
> Yes, you changed the "1" to a "0", so you get the first (index=0) item in
> the list produced by the split.
>
> When it was "1", you got the second item (index=1) in each list produced
> by the split, that is "color-red", "color-blue", and "color-orange". From
> your initial post, that's what I thought you wanted.
>
> If what you really want is this:
> new_var:
> - line1 has color-red
> - line2 has color-blue
> - line3 has color-orange
> then you can use this instead:
>
> - name: First and Second parts from split on comma
> ansible.builtin.set_fact:
> new_var: "{{ my_var | map('regex_replace', '^([^,]*),([^,]*),.*',
> '\\1 \\2') | map('regex_replace', ' +', ' ') }}"
>
>
>
> On 12/15/23 12:15 PM, Veera wrote:
>
> Hi Todd Lewis,
>
> Thanks . I am able to understand it . However the split happens based on
> ',' , and then we remove the quotes with map('map', 'trim')) and align
> the lines with range.
> However assuming split with delimiter as comma, when i try to replace 1
> with 0 the output is [msg: "{{ range(my_var | length) | map('extract',
> (my_var | map('split', ',') | map('map', 'trim')), [0]) }}"]
>
> ok: [localhost] =>
> msg:
> - line1 has
> - line2 has
> - line3 has
>
> and when tried to add [0 1] in the end [msg: "{{ range(my_var | length)
> | map('extract', (my_var | map('split', ',') | map('map', 'trim')), [0 1])
> }}"]
> it printsok: [localhost] =>
> msg:
> - i
> - i
> - i
> that is second character in the word line[0]. Is not the split breaks the
> words with (',')?
> How to print all the available column? instead of 1( yes the full file
> without a comma now )
> Actually I am trying to print like below
>
> line1 has color-red
> line2 has color-blue
> line3 has color-orange
>
> On Friday, December 15, 2023 at 10:42:43 PM UTC+5:30 Veera wrote:
>
>> Hi Todd Lewis,
>>
>> Thanks . I am able to understand it . However the split happens based on
>> ',' , and then we remove the quotes with map('map', 'trim')) and align
>> the lines with range.
>> However assuming split with delimiter as comma, when i try to replace 1
>> with 0 the output is [msg: "{{ range(my_var | length) | map('extract',
>> (my_var | map('split', ',') | map('map', 'trim')), [1]) }}"]
>>
>> ok: [localhost] =>
>> msg:
>> - line1 has
>> - line2 has
>> - line3 has
>>
>> and when tried to add [0 1] in the end [msg: "{{ range(my_var |
>> length) | map('extract', (my_var | map('split', ',') | map('map', 'trim')),
>> [0 1]) }}"]
>> it printsok: [localhost] =>
>> msg:
>> - i
>> - i
>> - i
>> that is second character in the word line[0]. Is not the split breaks the
>> words with (',')?
>> How to print all the available column? instead of 1( yes the full file
>> without a comma now )
>> Actually I am trying to print like below
>> line1 has color-red
>> line2 has color-blue
>> line3 has, color-orange
>>
>>
>>
>> On Friday, December 15, 2023 at 2:44:45 AM UTC+5:30 Todd Lewis wrote:
>>
>>> In the code below, note that "range(my_var | length)" is equivalent to "[0,
>>> 1, 2]".
>>> In the set_fact, we don't "loop" the task; rather we loop over the data
>>> within the jinja2 expression by using the map filter.
>>>
>>> utoddl@tango:~/ansible*$ cat veera01.yml*
>>> ---
>>> # veera01.yml
>>> - name: Jinja expressions
>>> hosts: localhost
>>> gather_facts: false
>>> vars:
>>> my_var:
>>> - "line1 has , color-red, in its middle"
>>> - "line2 has, color-blue, in its middle"
>>> - "line3 has, color-orange, in its middle"
>>> tasks:
>>> - name: Split and trim parts from my_var
>>> ansible.builtin.debug:
>>> msg: "{{ my_var | map('split', ',') | map('map', 'trim') }}"
>>>
>>> - name: Extract the "color-*" parts from my_var
>>> ansible.builtin.debug:
>>> msg: "{{ range(my_var | length) | map('extract', (my_var |
>>> map('split', ',') | map('map', 'trim')), [1]) }}"
>>>
>>> - name: Same but as set_fact
>>> ansible.builtin.set_fact:
>>> new_var: "{{ range(my_var | length) | map('extract', (my_var |
>>> map('split', ',') | map('map', 'trim')), [1]) }}"
>>>
>>>
>>> utoddl@tango:~/ansible*$ ansible-playbook veera01.yml -v*
>>> Using /etc/ansible/ansible.cfg as config file
>>>
>>> PLAY [Jinja expressions] **********************************************
>>>
>>> TASK [Split and trim parts from my_var] *******************************
>>> ok: [localhost] =>
>>> msg:
>>> - - line1 has
>>> - color-red
>>> - in its middle
>>> - - line2 has
>>> - color-blue
>>> - in its middle
>>> - - line3 has
>>> - color-orange
>>> - in its middle
>>>
>>> TASK [Extract the "color-*" parts from my_var] ************************
>>> ok: [localhost] =>
>>> msg:
>>> - color-red
>>> - color-blue
>>> - color-orange
>>>
>>> TASK [Same but as set_fact] *******************************************
>>> ok: [localhost] => changed=false
>>> ansible_facts:
>>> new_var:
>>> - color-red
>>> - color-blue
>>> - color-orange
>>>
>>> PLAY RECAP ************************************************************
>>> localhost : ok=3 changed=0 unreachable=0 failed=0
>>> skipped=0 rescued=0 ignored=0
>>>
>>>
>>>
>>> On 12/14/23 5:50 AM, Veera wrote:
>>>
>>> I have a playbook variable output as below
>>>
>>>
>>> debug:
>>> msg: "{{my_var}}}"
>>>
>>> TASK [debug]
>>> **************************************************************************************************************************
>>> ok: [localhost] => {
>>> "msg": [
>>> "line1 has , color-red, in its middle"
>>> "line2 has, color-blue, in its middle"
>>> "line3 has, color-orange, in its middle"
>>> ]
>>> }
>>>
>>> I want to use the output lines as an input for another variable using
>>> set_fact , as like below .
>>>
>>> - name: Filtering the color data
>>> ansible.builtin.set_fact:
>>> new_var: "{{ item.split(',')[1] }}"
>>> loop: "{{ var1 }}"
>>>
>>> and I am looking for the data like below
>>> color-red
>>> color-blue
>>> color-orange
>>>
>>> - debug:
>>> var: new_var
>>> gives only color-red
>>>
>>> But my var1 looping process the first line only in from the my_var and
>>> not the next 2 lines.
>>> This is an example and I may expect lines from my_var from 0 to 100's.
>>>
>>> How to print the column[]of output) with multiple lines ??
>>>
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>>> .
>>>
>>>
>>> --
>>> Todd
>>>
>>> --
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> <https://groups.google.com/d/msgid/ansible-project/6ec4afb2-6c70-4bc0-a1a0-2205ed7d49c0n%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>
>
> --
> Todd
>
>
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