How to get fields information from stdin ? #70
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I'm trying something like |
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Replies: 7 comments 5 replies
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RTFM
EL
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…On 6. Dec 2021, 11:57 +0200, Kroum Tzanev ***@***.***>, wrote:
I'm trying something like cat mydata.csv | csvq fields but I can't get the desired result. Is there an option to indicate that the file is stdin?
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@ondohotola I looked in the manual but I couldn't find how to do it (if it's possible). It seems that |
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Look at the the SELECT clause.
el
On 06/12/2021 12:49, Kroum Tzanev wrote:
@ondohotola I looked in the manual but I couldn't find how to do it
(if it's possible). It seems that |csvq fields| requires a filename
and that |stdin| is not supported.
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Dr. Eberhard W. Lisse \ / Obstetrician & Gynaecologist
***@***.*** / * | Telephone: +264 81 124 6733 (cell)
PO Box 8421 Bachbrecht \ / If this email is signed with GPG/PGP
10007, Namibia ;____/ Sect 20 of Act No. 4 of 2019 may apply
Book your Covid-19 Vaccination at https://c19.idtoday.com.na
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@ondohotola I know that in the |
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You'll probably have to generate a temporary file and read that. el |
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@ondohotola That's not what I was asking. I know I can generate a temporary file. After your kind "RTFM", I was hoping you knew how to read from stdin for the |
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The manual quite clearly if short, in my view and from retrospect, shows
that a file name is required.
…On 06/12/2021 14:09, Kroum Tzanev wrote:
@ondohotola <https://github.com/ondohotola> That's not what I was
asking. I know I can generate a temporary file. After your kind
"RTFM", I was hoping you knew how to read from stdin for the |fields|
subcommand.
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Dr. Eberhard W. Lisse \ / Obstetrician & Gynaecologist
***@***.*** / * | Telephone: +264 81 124 6733 (cell)
PO Box 8421 Bachbrecht \ / If this email is signed with GPG/PGP
10007, Namibia ;____/ Sect 20 of Act No. 4 of 2019 may apply
Book your Covid-19 Vaccination at https://c19.idtoday.com.na
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The fields subcommand does not have such an option. However, you can use SHOW command as a query.
https://mithrandie.github.io/csvq/reference/built-in.html#show_fields |
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@mithrandie Thanks ! This is what I was looking for 😃 |
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And it's even in the Manual :-)-O
el
On 06/12/2021 14:27, Kroum Tzanev wrote:
@mithrandie Thanks ! This is what I was looking for 😃
[...]
…--
Dr. Eberhard W. Lisse \ / Obstetrician & Gynaecologist
***@***.*** / * | Telephone: +264 81 124 6733 (cell)
PO Box 8421 Bachbrecht \ / If this email is signed with GPG/PGP
10007, Namibia ;____/ Sect 20 of Act No. 4 of 2019 may apply
Book your Covid-19 Vaccination at https://c19.idtoday.com.na
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@ondohotola So you should RTFM before to try to answer 😉 |
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And tell you to RTFM, therafter?
el
On 06/12/2021 16:23, Kroum Tzanev wrote:
@ondohotola So you should RTFM before to try to answer 😉
[...]
…--
Dr. Eberhard W. Lisse \ / Obstetrician & Gynaecologist
***@***.*** / * | Telephone: +264 81 124 6733 (cell)
PO Box 8421 Bachbrecht \ / If this email is signed with GPG/PGP
10007, Namibia ;____/ Sect 20 of Act No. 4 of 2019 may apply
Book your Covid-19 Vaccination at https://c19.idtoday.com.na
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The fields subcommand does not have such an option. However, you can use SHOW command as a query.
cat mydata.csv | csvq ‘SHOW FIELDS FROM STDIN’https://mithrandie.github.io/csvq/reference/built-in.html#show_fields