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Fix def-env docs according to docs#761 (#7972)

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See nushell/nushell.github.io#761

# User-Facing Changes

Docs reflect up-to-date reality

Co-authored-by: Canop <cano.petrole@gmail.com>
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Stefan Holderbach 2023-02-06 11:00:44 +01:00 committed by GitHub
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commit 4c308b7f2f
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27
crates/nu-command/src/core_commands/def_env.rs
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@ -28,32 +28,7 @@ impl Command for DefEnv {
fn extra_usage(&self) -> &str { fn extra_usage(&self) -> &str {
r#"This command is a parser keyword. For details, check: r#"This command is a parser keyword. For details, check:
https://www.nushell.sh/book/thinking_in_nu.html https://www.nushell.sh/book/thinking_in_nu.html
"#
=== EXTRA NOTE ===
All blocks are scoped, including variable definition and environment variable changes.
Because of this, the following doesn't work:
def-env cd_with_fallback [arg = ""] {
let fall_back_path = "/tmp"
if $arg != "" {
cd $arg
} else {
cd $fall_back_path
}
}
Instead, you have to use cd in the top level scope:
def-env cd_with_fallback [arg = ""] {
let fall_back_path = "/tmp"
let path = if $arg != "" {
$arg
} else {
$fall_back_path
}
cd $path
}"#
} }
fn is_parser_keyword(&self) -> bool { fn is_parser_keyword(&self) -> bool {