extern/nushell
1
0
Fork 1
mirror of https://github.com/nushell/nushell.git synced 2025-06-30 22:50:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

Support range in str substring (#6867)

Browse Source
This commit is contained in:
Reilly Wood
2022-10-23 02:42:17 -07:00
committed by GitHub
parent 24a98f8999
commit 17b2bcc125
2 changed files with 26 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
crates/nu-command/src/strings/str_/substring.rs
View File

@ -65,12 +65,18 @@ impl Command for SubCommand {
fn examples(&self) -> Vec<Example> {
vec![
Example {
description: "Get a substring \"nushell\" from the text \"good nushell\"",
description:
"Get a substring \"nushell\" from the text \"good nushell\" using a range",
example: " 'good nushell' | str substring 5..12",
result: Some(Value::test_string("nushell")),
},
Example {
description: "Alternately, you can pass in a list",
example: " 'good nushell' | str substring [5 12]",
result: Some(Value::test_string("nushell")),
},
Example {
description: "Alternatively, you can use the form",
description: "Or a simple comma-separated string",
example: " 'good nushell' | str substring '5,12'",
result: Some(Value::test_string("nushell")),
},
@ -199,6 +205,11 @@ fn action(input: &Value, options: &Substring, head: Span) -> Value {
fn process_arguments(options: &Arguments, head: Span) -> Result<(isize, isize), ShellError> {
let search = match &options.range {
Value::Range { val, .. } => {
let start = val.from()?;
let end = val.to()?;
Ok(SubstringText(start.to_string(), end.to_string()))
}
Value::List { vals, .. } => {
if vals.len() > 2 {
Err(ShellError::UnsupportedInput(