Parse command line args
This commit is contained in:
parent
6234038460
commit
4aecce8107
3 changed files with 241 additions and 2 deletions
208
Cargo.lock
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208
Cargo.lock
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@ -2,6 +2,214 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "anyhow"
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version = "1.0.66"
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dependencies = [
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"hermit-abi",
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"libc",
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"winapi",
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]
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name = "bitflags"
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name = "clap"
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checksum = "2148adefda54e14492fb9bddcc600b4344c5d1a3123bd666dcb939c6f0e0e57e"
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dependencies = [
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"atty",
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"bitflags",
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"clap_derive",
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"clap_lex",
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"once_cell",
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"strsim",
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"termcolor",
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]
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name = "clap_derive"
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dependencies = [
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"heck",
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"proc-macro-error",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "clap_lex"
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"os_str_bytes",
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]
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name = "heck"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "once_cell"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
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dependencies = [
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"proc-macro-error-attr",
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"proc-macro2",
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"quote",
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"syn",
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"version_check",
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]
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[[package]]
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name = "proc-macro-error-attr"
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dependencies = [
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"proc-macro2",
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"quote",
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"version_check",
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]
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[[package]]
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name = "proc-macro2"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "strsim"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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version = "0.0.0"
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dependencies = [
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"anyhow",
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"clap",
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]
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[[package]]
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name = "termcolor"
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dependencies = [
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"winapi-util",
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]
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[[package]]
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name = "unicode-ident"
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[[package]]
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[[package]]
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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version = "0.4.0"
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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[[package]]
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name = "winapi-util"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
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dependencies = [
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"winapi",
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]
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[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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@ -4,3 +4,5 @@ version = "0.0.0"
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edition = "2021"
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[dependencies]
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anyhow = "1.0.66"
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clap = { version = "4.0.26", features = ["derive", "deprecated"] }
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33
src/main.rs
33
src/main.rs
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@ -1,7 +1,36 @@
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use std::fs;
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use std::path::PathBuf;
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use clap::Parser;
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mod builtin;
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mod table;
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mod value;
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fn main() {
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println!("Hello, world!");
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#[derive(Parser)]
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enum Command {
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Parse { file: PathBuf },
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}
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#[derive(Parser)]
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struct Args {
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#[command(subcommand)]
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command: Command,
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}
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/// Foo
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fn main() -> anyhow::Result<()> {
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let args = Args::parse();
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match args.command {
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Command::Parse { file } => {
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let content = fs::read_to_string(&file)?;
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print!("{content}");
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if !content.ends_with('\n') {
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println!();
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}
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}
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}
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Ok(())
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}
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