forked from extern/nushell
42 lines
942 B
Rust
42 lines
942 B
Rust
use crate::commands::WholeStreamCommand;
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use crate::prelude::*;
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use nu_errors::ShellError;
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use nu_protocol::{ReturnSuccess, Signature};
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pub struct Trim;
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impl WholeStreamCommand for Trim {
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fn name(&self) -> &str {
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"trim"
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}
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fn signature(&self) -> Signature {
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Signature::build("trim")
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}
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fn usage(&self) -> &str {
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"Trim leading and following whitespace from text data."
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}
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fn run(
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&self,
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args: CommandArgs,
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registry: &CommandRegistry,
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) -> Result<OutputStream, ShellError> {
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trim(args, registry)
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}
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}
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fn trim(args: CommandArgs, _registry: &CommandRegistry) -> Result<OutputStream, ShellError> {
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let input = args.input;
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Ok(input
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.values
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.map(move |v| {
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let string = String::extract(&v)?;
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ReturnSuccess::value(value::string(string.trim()).into_value(v.tag()))
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})
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.to_output_stream())
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}
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