xlsx to csv brew code example
Example 1: convert excel to csv command line linux
$ ssconvert Book1.xlsx newfile.csv
Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
2012/05/14,,
The,last,Line
Example 2: convert excel to csv command line linux
libreoffice --headless --convert-to csv $filename --outdir $outdir