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Merge pull request #3719 from andrewbaptist/main

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split: Don't overwrite files
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Sylvestre Ledru 2022-07-23 22:54:57 +02:00 • committed by GitHub
commit 62305e67d1
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6 changed files with 136 additions and 47 deletions
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28
tests/by-util/test_split.rs
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@ -655,3 +655,31 @@ fn test_line_bytes_no_empty_file() {
assert_eq!(at.read("xaj"), "4");
assert!(!at.plus("xak").exists());
}
#[test]
fn test_guard_input() {
let ts = TestScenario::new(util_name!());
let at = &ts.fixtures;
ts.ucmd()
.args(&["-C", "6"])
.pipe_in("1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n")
.succeeds()
.no_stdout()
.no_stderr();
assert_eq!(at.read("xaa"), "1\n2\n3\n");
ts.ucmd()
.args(&["-C", "6"])
.pipe_in("1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n")
.succeeds()
.no_stdout()
.no_stderr();
assert_eq!(at.read("xaa"), "1\n2\n3\n");
ts.ucmd()
.args(&["-C", "6", "xaa"])
.fails()
.stderr_only("split: 'xaa' would overwrite input; aborting");
assert_eq!(at.read("xaa"), "1\n2\n3\n");
}