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uniq: print warning when both -D and -c are passed

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This commit is contained in:
Terts Diepraam 2022-04-17 16:32:01 +02:00
parent 34a1b23342
commit 487c874204
1 changed files with 9 additions and 1 deletions
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10
src/uu/uniq/src/uniq.rs
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@ -12,7 +12,7 @@ use std::path::Path;
use std::str::FromStr;
use strum_macros::{AsRefStr, EnumString};
use uucore::display::Quotable;
use uucore::error::{FromIo, UResult, USimpleError};
use uucore::error::{FromIo, UResult, USimpleError, UUsageError};
use uucore::format_usage;
static ABOUT: &str = "Report or omit repeated lines.";
@ -284,6 +284,14 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
ignore_case: matches.is_present(options::IGNORE_CASE),
zero_terminated: matches.is_present(options::ZERO_TERMINATED),
};
if uniq.show_counts && uniq.all_repeated {
return Err(UUsageError::new(
1,
"printing all duplicated lines and repeat counts is meaningless",
));
}
uniq.print_uniq(
&mut open_input_file(&in_file_name)?,
&mut open_output_file(&out_file_name)?,