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Add -o/--only-matching flag.

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Currently, the `--only-matching` flag conflicts with the `--replace`
flag. In the future, this restriction may be relaxed.

Fixes #34
This commit is contained in:
Roman Proskuryakov
2017-03-28 21:14:32 +03:00
committed by Andrew Gallant
parent 9456d95e8f
commit 90a11dec5e
5 changed files with 55 additions and 2 deletions
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5
src/app.rs
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@@ -144,6 +144,7 @@ pub fn app() -> App<'static, 'static> {
.arg(flag("no-ignore-parent"))
.arg(flag("no-ignore-vcs"))
.arg(flag("null").short("0"))
.arg(flag("only-matching").short("o").conflicts_with("replace"))
.arg(flag("path-separator").value_name("SEPARATOR").takes_value(true))
.arg(flag("pretty").short("p"))
.arg(flag("replace").short("r").value_name("ARG").takes_value(true))
@@ -421,6 +422,10 @@ lazy_static! {
printing a list of matching files such as with --count, \
--files-with-matches and --files. This option is useful for use \
with xargs.");
doc!(h, "only-matching",
"Print only matched parts of a line.",
"Print only the matched (non-empty) parts of a matching line, \
with each such part on a separate output line.");
doc!(h, "path-separator",
"Path separator to use when printing file paths.",
"The path separator to use when printing file paths. This \