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split: refactor handle_obsolete() function

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zhitkoff 2023-08-29 13:58:26 -04:00
parent 2f35989ac3
commit e79753c1cf
1 changed files with 40 additions and 33 deletions
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33
src/uu/split/src/split.rs
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@ -72,10 +72,10 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
/// `split -x300e -22 file` would mean `split -x -e -l 22 file` (last obsolete lines option wins) /// `split -x300e -22 file` would mean `split -x -e -l 22 file` (last obsolete lines option wins)
/// following GNU `split` behavior /// following GNU `split` behavior
fn handle_obsolete(args: &[String]) -> (Vec<String>, Option<String>) { fn handle_obsolete(args: &[String]) -> (Vec<String>, Option<String>) {
let mut v: Vec<String> = vec![];
let mut obs_lines = None; let mut obs_lines = None;
for arg in args.iter() { let filtered_args = args
let slice = &arg; .iter()
.filter_map(|slice| {
if slice.starts_with('-') && !slice.starts_with("--") { if slice.starts_with('-') && !slice.starts_with("--") {
// start of the short option string // start of the short option string
// extract numeric part and filter it out // extract numeric part and filter it out
@ -92,23 +92,30 @@ fn handle_obsolete(args: &[String]) -> (Vec<String>, Option<String>) {
}) })
.collect(); .collect();
if filtered_slice.get(1).is_some() { if obs_lines_extracted.is_empty() {
// there were some short options in front of obsolete lines number // no obsolete lines value found/extracted
// i.e. '-xd100' or similar Some(slice.to_owned())
// preserve it } else {
v.push(filtered_slice.iter().collect());
}
if !obs_lines_extracted.is_empty() {
// obsolete lines value was extracted // obsolete lines value was extracted
obs_lines = Some(obs_lines_extracted.iter().collect()); obs_lines = Some(obs_lines_extracted.iter().collect());
if filtered_slice.get(1).is_some() {
// there were some short options in front of or after obsolete lines value
// i.e. '-xd100' or '-100de' or similar, which after extraction of obsolete lines value
// would look like '-xd' or '-de' or similar
// preserve it
Some(filtered_slice.iter().collect())
} else {
None
}
} }
} else { } else {
// not a short option // not a short option
// preserve it // preserve it
v.push(arg.to_owned()); Some(slice.to_owned())
} }
} })
(v, obs_lines) .collect();
(filtered_args, obs_lines)
} }
pub fn uu_app() -> Command { pub fn uu_app() -> Command {