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sum: handle multiple file args

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This commit is contained in:
Michael Gehring 2014-06-18 12:36:12 +02:00
parent ee92573584
commit 156577ec40
1 changed files with 15 additions and 13 deletions
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28
sum/sum.rs
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@ -111,23 +111,25 @@ pub fn uumain(args: Vec<String>) -> int {
let sysv = matches.opt_present("sysv");
let file = if matches.free.is_empty() {
"-"
let files = if matches.free.is_empty() {
Vec::from_elem(1, "-".to_string())
} else {
matches.free.get(0).as_slice()
matches.free
};
let reader = match open(file) {
Ok(f) => f,
_ => crash!(1, "unable to open file")
};
let (blocks, sum) = if sysv {
sysv_sum(reader)
} else {
bsd_sum(reader)
};
for file in files.iter() {
let reader = match open(file.as_slice()) {
Ok(f) => f,
_ => crash!(1, "unable to open file")
};
let (blocks, sum) = if sysv {
sysv_sum(reader)
} else {
bsd_sum(reader)
};
println!("{} {}", sum, blocks);
println!("{} {}", sum, blocks);
}
0
}