Env Functions

schema

env csv.schema(
    path: 'PathBuf',
    header: 'bool' = true,
    dates: 'bool' = true
)

Arguments:

• path: 'PathBuf' => Path to the CSV file
• header: 'bool' = true => CSV file has header row
• dates: 'bool' = true => Parse Dates in the file

List the columns in a CSV file

count_data

env csv.count_data(path: 'PathBuf', column: 'IntOrStr')

Arguments:

• path: 'PathBuf' => Path to the CSV file
• column: 'IntOrStr' => Name or Index of the column to load

Count the number of data in a column from a CSV file

Returns the number of valid data and the number of total rows

count_usgs_years

env csv.count_usgs_years(
    path: 'PathBuf',
    outfile: 'PathBuf',
    year: 'Option < i64 >'
)

Arguments:

• path: 'PathBuf' => Path to the CSV file
• outfile: 'PathBuf' => Output CSV file
• year: 'Option < i64 >' => year dam affected

Count the number of data in a column from a CSV file

Returns the number of total rows and the number of valid data

Node Functions

column

node csv.column(
    path: 'PathBuf',
    column: 'IntOrStr',
    dates: 'bool' = true,
    name: 'Option < String >'
)

Arguments:

• path: 'PathBuf' => Path to the CSV file
• column: 'IntOrStr' => Name or Index of the column to load
• dates: 'bool' = true => Parse Dates in the file
• name: 'Option < String >' => Name of the series defaults to column name

read a single column from a CSV file

node_name

node csv.node_name()

Arguments:

Example Node function for the plugin

Network Functions

load_series

network csv.load_series(
    path: 'PathBuf',
    name: 'String',
    nodemap: 'Option < HashMap < String, String > >',
    dates: 'bool' = true
)

Arguments:

• path: 'PathBuf' => Path to the CSV file
• name: 'String' => Name of the Series
• nodemap: 'Option < HashMap < String, String > >' => HashMap of column name to Node name
• dates: 'bool' = true => Parse Dates in the file

Load series values to nodes

network csv.load_series("/home/gaurav/work/nadi-project/codes/nadi_csv/test.csv", "test")

load_timeseries

network csv.load_timeseries(
    path: 'PathBuf',
    datecol: 'String',
    name: 'String',
    datefmt: 'String' = "%Y-%m-%d",
    nodemap: 'Option < HashMap < String, String > >',
    dates: 'bool' = true
)

Arguments:

• path: 'PathBuf' => Path to the CSV file
• datecol: 'String' => Name of the column with datetime
• name: 'String' => Name of the Series
• datefmt: 'String' = "%Y-%m-%d" => Date Format to save the dates
• nodemap: 'Option < HashMap < String, String > >' => HashMap of column name to Node name
• dates: 'bool' = true => Parse Dates in the file

Load timeseries values to nodes

network csv.load_timeseries("/home/gaurav/work/nadi-project/codes/nadi_csv/test.csv", "date", "test")