alasql 'select value count(*) from txt("README.md") where length([0]) > 20'

> alasql "SELECT * INTO json('my.json') from xlsx('cities.xlsx',{headers:true}) WHERE population > 20000000"

> alasql 'VALUE OF SELECT 2*2'
4

> alasql "VALUE OF SELECT 20-?+?" 5 100
115

alasql "select [1] from tab('./mytext.txt') where [0] = 1"
# From command file
alasql -f myprogram.sql 
# like grep 
alasql "select * from csv(?) where [0] != 1 and [1] like 'A%'" mytext.csv
# like calculator
alasql "select 2*2"
# Process Excel file
alasql "select [2] from xls(?) where [0]>0 and [1] in ('Cuba','Swiss')" mysheet.xlsx
# Join TAB and xlsx
alasql "select a.* from tab(?) as a left join xls(?) as b on a[0] = b[0] where b[0] != 2" sales.txt cities.xls