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Trim whitespace

Source: R/trim_whitespace_class.R
trim_whitespace.Rd

A wrapper for trimws(). Removes leading and/or trailing whitespace from character strings.

Usage

trim_whitespace(column_names, which = "both", whitespace = "[ \t\r\n]", ...)

Arguments

column_names

(character) The column name(s) in the annotation_source to trim white space from. Special case ".all" will apply to all columns.

which

(character) Trailing and/or leading whitespace. Allowed values are limited to the following:

  • "": A character string specifying the location of whitespace to remove.

  • "left": Remove leading whitespace.

  • "right": Remove trailing whitespace.

  • "both": Remove both leading and trailing whitespace.

The default is "both".

whitespace

(character) A string specifying a regular expression to match (one character of) "white space". See trimws() for details. The default is "[ ]".

...

Additional slots and values passed to struct_class.

Value

A trim_whitespace object with the following output slots:

updated(annotation_source) The annotation_source after trimming whitespace.

Inheritance

A trim_whitespace object inherits the following struct classes:

[trim_whitespace] -> [model] -> [struct_class]

Examples

M <- trim_whitespace(
        column_names = "V1",
        which = "both",
        whitespace = "[   
]")