2 files changed, 21 insertions, 4 deletions
diff --git a/popline.1 b/popline.1
new file mode 100644
index 0000000..2e6062a
--- /dev/null
+++ b/popline.1
@@ -0,0 +1,10 @@
+.TH POPLINE 1
+.SH NAME
+popline \- popfront a file
+.SH SYNOPSIS
+.B popline
+.IR file
+.SH DESCRIPTION
+.B popline
+reads the first line of a file, writes the file to disk without that line,
+and prints the line to stdout.
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index b5994e9..c15cc54 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,17 +1,24 @@
+use std::path::PathBuf;
+
fn main() {
+ // We don't need anything fancy here now
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");
+ eprintln!(
+ "usage: popline <file>\n\
+ removes the first line of a file,\
+ writes it back to disk without that line"
+ );
std::process::exit(1);
}
- let file = std::path::PathBuf::from(std::env::args().nth(1).unwrap());
+ // A panic is fine, really; it'll be caught while writing
+ let file = 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);
+ std::process::exit(0);
}
Some(line) => line,
};
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