Andrea Borruso

Hi @johnkerl in some way it's like - using LibreOffice Calc - you opened a CSV file, than saved it in Calc native format (ods), and then saved it again...

> This will be addressed by the [Go port](https://github.com/johnkerl/miller/blob/master/go/README.md). I have tested today. First running ``` echo '"ciao, come stai"' | mlrgo --icsv -N cat ``` And I have had...

Hi @johnkerl what about this feature request? If it has no sense or if you think it's not interesting, I close it. Thank you

> Makes sense! Maybe one could also adapt/extend `mlr cat -n` ... O yes, sure. Thank you

@johnkerl if I run `gunzip < 02.zip` I have no error: ``` KEY,field_01 7777303178,a 772326718D,b 589893,c ``` Then Miller should open it. Am I wrong? Thank you 

Moreover I have the same error using a real gzip file ([02.csv.gz](https://github.com/johnkerl/miller/files/5298371/02.csv.gz)): ``` gzip: stdin: not in gzip format ```

Hi @johnkerl , I use debian via [Windows Subsystem for Linux 2](https://docs.microsoft.com/en-us/windows/wsl/compare-versions), that it's a full linux kernel. ``` ➜ cat /etc/issue Debian GNU/Linux bullseye/sid ``` ``` ➜ gzip --version...

And I have no problem running `mlr --csv --prepipe-gunzip filter '${field_01}=="a"' 02.csv.gz` or `mlr --csv --prepipe-gunzip filter '${field_01}=="a"' 02.zip`, I have always: ``` KEY,field_01 7777303178,a ``` But I'm not able...

@johnkerl do you think that it does not work, because I use a "strange" OS? Thank you

> but this produces no output: > > ``` > $ mlr --csv join --prepipe-gunzip -l KEY -r key -j key -f ./02.csv.gz then rename key,KEY ./01.csv > ``` The...