RGBCube/uutils-coreutils
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split: add support for -x option (hex suffixes)

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Add support for the `-x` command-line option to `split`. This option
causes `split` to produce filenames with hexadecimal suffixes instead
of the default alphabetic suffixes.
This commit is contained in:
Jeffrey Finkelstein 2022-01-16 10:41:52 -05:00
parent 494dc7ec57
commit a4955b4e06
3 changed files with 35 additions and 1 deletions
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24
tests/by-util/test_split.rs
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@ -2,7 +2,7 @@
// *
// * For the full copyright and license information, please view the LICENSE
// * file that was distributed with this source code.
// spell-checker:ignore xzaaa sixhundredfiftyonebytes ninetyonebytes asciilowercase fghij klmno pqrst uvwxyz fivelines
// spell-checker:ignore xzaaa sixhundredfiftyonebytes ninetyonebytes asciilowercase fghij klmno pqrst uvwxyz fivelines twohundredfortyonebytes
extern crate rand;
extern crate regex;
@ -409,6 +409,28 @@ fn test_numeric_dynamic_suffix_length() {
assert_eq!(file_read(&at, "x9000"), "a");
}
#[test]
fn test_hex_dynamic_suffix_length() {
let (at, mut ucmd) = at_and_ucmd!();
// Split into chunks of one byte each, use hexadecimal digits
// instead of letters as file suffixes.
//
// The input file has (16^2) - 16 + 1 = 241 bytes. This is just
// enough to force `split` to dynamically increase the length of
// the filename for the very last chunk.
//
// x00, x01, x02, ..., xed, xee, xef, xf000
//
ucmd.args(&["-x", "-b", "1", "twohundredfortyonebytes.txt"])
.succeeds();
for i in 0..240 {
let filename = format!("x{:02x}", i);
let contents = file_read(&at, &filename);
assert_eq!(contents, "a");
}
assert_eq!(file_read(&at, "xf000"), "a");
}
#[test]
fn test_suffixes_exhausted() {
new_ucmd!()