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Add -m/--max-count flag.

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This flag limits the number of matches printed *per file*.

Closes #159
This commit is contained in:
Andrew Gallant
2016-11-06 13:09:53 -05:00
parent 351eddc17e
commit 58aca2efb2
8 changed files with 128 additions and 3 deletions
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12
src/worker.rs
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@@ -34,6 +34,7 @@ struct Options {
eol: u8,
invert_match: bool,
line_number: bool,
max_count: Option<u64>,
quiet: bool,
text: bool,
}
@@ -49,6 +50,7 @@ impl Default for Options {
eol: b'\n',
invert_match: false,
line_number: false,
max_count: None,
quiet: false,
text: false,
}
@@ -128,6 +130,14 @@ impl WorkerBuilder {
self
}
/// Limit the number of matches to the given count.
///
/// The default is None, which corresponds to no limit.
pub fn max_count(mut self, count: Option<u64>) -> Self {
self.opts.max_count = count;
self
}
/// If enabled, try to use memory maps for searching if possible.
pub fn mmap(mut self, yes: bool) -> Self {
self.opts.mmap = yes;
@@ -217,6 +227,7 @@ impl Worker {
.eol(self.opts.eol)
.line_number(self.opts.line_number)
.invert_match(self.opts.invert_match)
.max_count(self.opts.max_count)
.quiet(self.opts.quiet)
.text(self.opts.text)
.run()
@@ -246,6 +257,7 @@ impl Worker {
.eol(self.opts.eol)
.line_number(self.opts.line_number)
.invert_match(self.opts.invert_match)
.max_count(self.opts.max_count)
.quiet(self.opts.quiet)
.text(self.opts.text)
.run())