fop(1): committing to Rust error messages
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parent
448211bbe2
commit
3cee3de900
34
src/fop.rs
34
src/fop.rs
@ -18,7 +18,7 @@
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use std::{
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env::args,
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io::{ Read, stdin, Write },
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io::{ Read, stdin, stdout, Write },
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process::{ Command, exit, Stdio },
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};
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@ -54,8 +54,8 @@ fn main() {
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exit(EX_USAGE);
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});
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let index = argv[index_arg].parse::<usize>().unwrap_or_else(|_| {
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eprintln!("{}: {}: Not an integer.", argv[0], argv[1]);
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let index = argv[index_arg].parse::<usize>().unwrap_or_else(|e| {
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eprintln!("{}: {}: {}.", argv[0], argv[1], e);
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exit(EX_DATAERR);
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});
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@ -74,8 +74,8 @@ fn main() {
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.spawn()
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.unwrap_or_else( |_| {
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eprintln!("{}: {}: Command not found.", argv[0], argv[command_arg]);
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.unwrap_or_else( |e| {
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eprintln!("{}: {}: {}.", argv[0], argv[command_arg], e);
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exit(EX_UNAVAILABLE);
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});
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@ -83,7 +83,7 @@ fn main() {
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eprintln!(
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"{}: {}: No such index in input.",
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argv[0],
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index.to_string()
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index.to_string(),
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);
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exit(EX_DATAERR);
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});
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@ -93,11 +93,8 @@ fn main() {
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drop(child_stdin);
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}
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let output = spawned.wait_with_output().unwrap_or_else(|_| {
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eprintln!("{}: {}: Command has no output.",
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argv[0],
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argv[command_arg]
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);
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let output = spawned.wait_with_output().unwrap_or_else(|e| {
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eprintln!("{}: {}: {}.", argv[0], argv[command_arg], e);
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exit(EX_IOERR);
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});
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@ -105,16 +102,17 @@ fn main() {
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if replace.pop() != Some(b'\n') { replace = output.stdout; }
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let new_field = String::from_utf8(replace).unwrap_or_else(|_| {
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eprintln!(
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"{}: {}: Command output is invalid UTF-8.",
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argv[0],
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argv[command_arg]
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);
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let new_field = String::from_utf8(replace).unwrap_or_else(|e| {
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eprintln!("{}: {}: {}.", argv[0], argv[command_arg], e);
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exit(EX_IOERR);
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});
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fields[index] = &new_field;
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print!("{}", fields.join(&d.to_string()));
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stdout().write_all(
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fields.join(&d.to_string()).as_bytes()
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).unwrap_or_else(|e|{
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eprintln!("{}: {}.", argv[0], e);
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exit(EX_IOERR);
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});
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}
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