forked from extern/nushell
95 lines
2.0 KiB
Rust
95 lines
2.0 KiB
Rust
use std::io::{self, BufRead, Write};
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pub fn cococo() {
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let args: Vec<String> = args();
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if args.len() > 1 {
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// Write back out all the arguments passed
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// if given at least 1 instead of chickens
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// speaking co co co.
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let mut arguments = args.iter();
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arguments.next();
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for arg in arguments {
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println!("{}", &arg);
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}
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} else {
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println!("cococo");
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}
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}
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pub fn nonu() {
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args().iter().skip(1).for_each(|arg| print!("{}", arg));
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}
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pub fn iecho() {
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// println! panics if stdout gets closed, whereas writeln gives us an error
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let mut stdout = io::stdout();
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let _ = args()
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.iter()
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.skip(1)
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.cycle()
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.try_for_each(|v| writeln!(stdout, "{}", v));
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}
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pub fn fail() {
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std::process::exit(1);
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}
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pub fn chop() {
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if did_chop_arguments() {
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// we are done and don't care about standard input.
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std::process::exit(0);
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}
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// if no arguments given, chop from standard input and exit.
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let stdin = io::stdin();
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let mut stdout = io::stdout();
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for line in stdin.lock().lines() {
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if let Ok(given) = line {
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let chopped = if given.is_empty() {
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&given
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} else {
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let to = given.len() - 1;
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&given[..to]
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};
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if let Err(_e) = writeln!(stdout, "{}", chopped) {
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break;
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}
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}
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}
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std::process::exit(0);
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}
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fn did_chop_arguments() -> bool {
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let args: Vec<String> = args();
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if args.len() > 1 {
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let mut arguments = args.iter();
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arguments.next();
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for arg in arguments {
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let chopped = if arg.is_empty() {
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&arg
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} else {
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let to = arg.len() - 1;
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&arg[..to]
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};
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println!("{}", chopped);
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}
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return true;
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}
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false
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}
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fn args() -> Vec<String> {
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// skip (--testbin bin_name args)
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std::env::args().skip(2).collect()
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}
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