diff options
| -rw-r--r-- | .cargo/config.toml | 5 | ||||
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | .rustfmt.toml | 1 | ||||
| -rw-r--r-- | Cargo.lock | 7 | ||||
| -rw-r--r-- | Cargo.toml | 15 | ||||
| -rw-r--r-- | LICENSE | 121 | ||||
| -rw-r--r-- | src/main.rs | 23 |
7 files changed, 173 insertions, 0 deletions
diff --git a/.cargo/config.toml b/.cargo/config.toml new file mode 100644 index 0000000..c02da38 --- /dev/null +++ b/.cargo/config.toml @@ -0,0 +1,5 @@ +[target.x86_64-unknown-linux-gnu] +linker = "x86_64-unknown-linux-gnu-gcc" + +[target.aarch64-unknown-linux-gnu] +linker = "aarch64-unknown-linux-gnu-gcc" diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/.rustfmt.toml b/.rustfmt.toml new file mode 100644 index 0000000..218e203 --- /dev/null +++ b/.rustfmt.toml @@ -0,0 +1 @@ +hard_tabs = true diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..ed14782 --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "popline" +version = "0.1.0" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..6d6c3fc --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,15 @@ +[package] +name = "popline" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +# takes ~250K off the binary (tested on MacOS) +[profile.release] +strip = true +codegen-units = 1 +panic = "abort" +lto = true + +[dependencies] diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..0e259d4 --- /dev/null +++ b/LICENSE @@ -0,0 +1,121 @@ +Creative Commons Legal Code + +CC0 1.0 Universal + + CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE + LEGAL SERVICES. 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Affirmer understands and acknowledges that Creative Commons is not a + party to this document and has no duty or obligation with respect to + this CC0 or use of the Work. diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..b5994e9 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,23 @@ +fn main() { + if std::env::args().len() != 2 { + eprintln!("usage: popline <file>\n"); + eprintln!("removes the first line of a file and rewrites it to disk without that line"); + std::process::exit(1); + } + + let file = std::path::PathBuf::from(std::env::args().nth(1).unwrap()); + let string = std::fs::read_to_string(&file).unwrap(); + let mut lines = string.lines(); + + let line = match lines.next() { + None => { + std::process::exit(1); + } + Some(line) => line, + }; + + let write = lines.collect::<Vec<&str>>().join("\n"); + std::fs::write(file, write).unwrap(); + + println!("{line}"); +} |