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basenc: add help texts for options

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This commit is contained in:
Daniel Hofstetter 2023-05-09 09:44:48 +02:00
parent 49fd7c5697
commit 3f40ec4db7
1 changed files with 28 additions and 9 deletions
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37
src/uu/basenc/src/basenc.rs
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@ -24,15 +24,33 @@ use uucore::{help_about, help_usage};
const ABOUT: &str = help_about!("basenc.md"); const ABOUT: &str = help_about!("basenc.md");
const USAGE: &str = help_usage!("basenc.md"); const USAGE: &str = help_usage!("basenc.md");
const ENCODINGS: &[(&str, Format)] = &[ const ENCODINGS: &[(&str, Format, &str)] = &[
("base64", Format::Base64), ("base64", Format::Base64, "same as 'base64' program"),
("base64url", Format::Base64Url), ("base64url", Format::Base64Url, "file- and url-safe base64"),
("base32", Format::Base32), ("base32", Format::Base32, "same as 'base32' program"),
("base32hex", Format::Base32Hex), (
("base16", Format::Base16), "base32hex",
("base2lsbf", Format::Base2Lsbf), Format::Base32Hex,
("base2msbf", Format::Base2Msbf), "extended hex alphabet base32",
("z85", Format::Z85), ),
("base16", Format::Base16, "hex encoding"),
(
"base2lsbf",
Format::Base2Lsbf,
"bit string with least significant bit (lsb) first",
),
(
"base2msbf",
Format::Base2Msbf,
"bit string with most significant bit (msb) first",
),
(
"z85",
Format::Z85,
"ascii85-like encoding;\n\
when encoding, input length must be a multiple of 4;\n\
when decoding, input length must be a multiple of 5",
),
]; ];
pub fn uu_app() -> Command { pub fn uu_app() -> Command {
@ -41,6 +59,7 @@ pub fn uu_app() -> Command {
command = command.arg( command = command.arg(
Arg::new(encoding.0) Arg::new(encoding.0)
.long(encoding.0) .long(encoding.0)
.help(encoding.2)
.action(ArgAction::SetTrue), .action(ArgAction::SetTrue),
); );
} }