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Add printable CLI to strip unwanted characters from email.

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This commit is contained in:
Bill Thiede 2022-12-29 10:30:19 -08:00
parent 7685b0e5b2
commit af87a3cade
4 changed files with 77 additions and 16 deletions
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65
Cargo.lock generated
View File

@ -1,67 +1,100 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "aho-corasick"
version = "0.7.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
dependencies = [
"memchr",
]
[[package]]
name = "base64"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
dependencies = [
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder",
]
[[package]]
name = "byteorder"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
[[package]]
name = "cfg-if"
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4f426e64df1c3de26cbf44593c6ffff5dbfd43bbf9de0d075058558126b3fc73"
dependencies = [
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"base64",
"encoding_rs",
]
[[package]]
name = "email"
version = "0.1.0"
dependencies = [
"mailparse 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
"mailparse",
"regex",
]
[[package]]
name = "encoding_rs"
version = "0.8.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "87240518927716f79692c2ed85bfe6e98196d18c6401ec75355760233a7e12e9"
dependencies = [
"cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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name = "mailparse"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "51a60bad00d8aa905d31cf239f207ad4ef16c963ea53cf522d5fd7dc7f3ecfe2"
dependencies = [
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"base64",
"charset",
"quoted_printable",
]
[[package]]
name = "memchr"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
[[package]]
name = "quoted_printable"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "86cedf331228892e747bb85beb130b6bb23fc628c40dde9ea01eb6becea3c798"
[metadata]
"checksum base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
"checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
"checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
"checksum charset 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4f426e64df1c3de26cbf44593c6ffff5dbfd43bbf9de0d075058558126b3fc73"
"checksum encoding_rs 0.8.20 (registry+https://github.com/rust-lang/crates.io-index)" = "87240518927716f79692c2ed85bfe6e98196d18c6401ec75355760233a7e12e9"
"checksum mailparse 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "51a60bad00d8aa905d31cf239f207ad4ef16c963ea53cf522d5fd7dc7f3ecfe2"
"checksum quoted_printable 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "86cedf331228892e747bb85beb130b6bb23fc628c40dde9ea01eb6becea3c798"
[[package]]
name = "regex"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
]
[[package]]
name = "regex-syntax"
version = "0.6.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"

1
Cargo.toml
View File

@ -8,3 +8,4 @@ edition = "2018"
[dependencies]
mailparse = "0.9.2"
regex = "1.7.0"

0
src/main.rs → src/bin/mailparse.rs
View File

27
src/bin/printable.rs Normal file
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@ -0,0 +1,27 @@
use std::{io, io::Read};
use regex::Regex;
fn main() -> io::Result<()> {
let re = Regex::new("[^[[:print:]]\n]").expect("invalid regex");
let mut buffer = String::new();
io::stdin().read_to_string(&mut buffer)?;
let buffer = re.replace_all(&buffer, "");
let mut last_c = 0;
for l in buffer.lines() {
let c = l
.as_bytes()
.iter()
.filter(|b| match b {
b' ' | b'\t' => false,
_ => true,
})
.count();
if !(c == 0 && last_c == 0) {
println!("{l}");
}
last_c = c;
}
Ok(())
}