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31 lines
729 B
31 lines
729 B
use std::process::Command;
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use crate::error::ShellError;
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use crate::error::ShellError::Execute;
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use crate::parse::parse_line;
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pub fn interpret(line: &str) -> Result<(), ShellError> {
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if line.is_empty() {
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return Err(ShellError::EmptyLine);
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}
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let (keyword, args) = parse_line(line);
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let mut command = Command::new(keyword);
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command.args(args);
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execute(command)?;
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Ok(())
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}
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fn execute(mut command: Command) -> Result<(), ShellError> {
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match command.spawn() {
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Ok(mut child) => {
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if let Err(err) = child.wait() {
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return Err(Execute(err.to_string()));
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}
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Ok(())
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}
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Err(err) => Err(Execute(err.to_string())),
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}
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}
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