#!/bin/bash
[[ -f "$1" ]] || {
    echo 'Sqlite3NCSV: view sqlite3 DB with ncsv.
    first argument:  sqlite3 file
    second, optional argument: table name. If not given, first in schema used.
       If the second argument contains spaces, it is assumed to be a SELECT query.
    '
    exit
}

sqlfile="$1"
[[ -z "$2" ]] && {
    table=$( sqlite3 "$sqlfile" "SELECT name FROM sqlite_master WHERE name NOT LIKE 'sqlite%' LIMIT 1;" )
} || {
    table="$2"
}
[[ "$table" = "${table% *}" ]] && {
    query="SELECT * FROM $table;"
} || {
    query="$table"
}

sqlite3 -header -separator '	' -nullvalue NA "$sqlfile" "$query" | ncsv