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Support o>>, e>>, o+e>> to append output to an external file (#10764)

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# Description
Close: #10278

This pr introduces `o>>`, `e>>`, `o+e>>` to allow redirection to append
to a file.
Examples:
```nushell
echo abc o>> a.txt
echo abc o>> a.txt
cat asdf e>> a.txt
cat asdf e>> a.txt
cat asdf o+e>> a.txt
```

~~TODO:~~
~~1. currently internal commands with `o+e>` redirect to a variable is
broken: `let x = "a.txt"; echo abc o+e> $x`, not sure when it was
introduced...~~
~~2. redirect stdout and stderr with append mode doesn't supported yet:
`cat asdf o>>a.txt e>>b.ext`~~

~~For these 2 items, I'd like to fix them in different prs.~~
Already done in this pr
This commit is contained in:
WindSoilder
2023-11-27 21:52:39 +08:00
committed by GitHub
parent 1ff8c2d81d
commit 077d1c8125
13 changed files with 364 additions and 147 deletions
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6
crates/nu-cli/src/completions/completer.rs
View File

@ -122,11 +122,13 @@ impl NuCompleter {
for pipeline_element in pipeline.elements {
match pipeline_element {
PipelineElement::Expression(_, expr)
| PipelineElement::Redirection(_, _, expr)
| PipelineElement::Redirection(_, _, expr, _)
| PipelineElement::And(_, expr)
| PipelineElement::Or(_, expr)
| PipelineElement::SameTargetRedirection { cmd: (_, expr), .. }
| PipelineElement::SeparateRedirection { out: (_, expr), .. } => {
| PipelineElement::SeparateRedirection {
out: (_, expr, _), ..
} => {
let flattened: Vec<_> = flatten_expression(&working_set, &expr);
let mut spans: Vec<String> = vec![];

4
crates/nu-cli/src/syntax_highlight.rs
View File

@ -252,11 +252,11 @@ fn find_matching_block_end_in_block(
for e in &p.elements {
match e {
PipelineElement::Expression(_, e)
| PipelineElement::Redirection(_, _, e)
| PipelineElement::Redirection(_, _, e, _)
| PipelineElement::And(_, e)
| PipelineElement::Or(_, e)
| PipelineElement::SameTargetRedirection { cmd: (_, e), .. }
| PipelineElement::SeparateRedirection { out: (_, e), .. } => {
| PipelineElement::SeparateRedirection { out: (_, e, _), .. } => {
if e.span.contains(global_cursor_offset) {
if let Some(pos) = find_matching_block_end_in_expr(
line,