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Allow "\n" in mlr repl prompt (#1058)

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John Kerl 2022-07-12 19:07:11 -04:00 • committed by GitHub
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1
README-go-port.md Normal file
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@ -0,0 +1 @@
Moved to [README-dev.md](README-dev.md).

37
docs/src/repl.md
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@ -282,6 +282,43 @@ etc. depending on your platform.
Suggestion: `alias mrpl='rlwrap mlr repl'` in your shell's startup file.
## Customization
In your shell environment you can set the `MLR_REPL_PS1` and `MLR_REPL_PS2` environment variables if you like:
<pre class="pre-non-highlight-non-pair">
$ mlr repl -q
> 1+2
3
> <
... func f(x) {
... return x**2
... }
... >
> f(99)
9801
</pre>
<pre class="pre-non-highlight-non-pair">
$ export MLR_REPL_PS1='\nMLR REPL> '
$ export MLR_REPL_PS2=' '
$ mlr repl -q
MLR REPL> 1+2
3
MLR REPL> <
func f(x) {
return x**2
}
>
MLR REPL> f(99)
9801
</pre>
See also `MLR_REPL_PS1_COLOR` on the [output-colorization page](output-colorization.md).
## Online help
After `mlr repl`, type `:help` to see more about your options. In particular, `:help examples`.

37
docs/src/repl.md.in
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@ -228,6 +228,43 @@ etc. depending on your platform.
Suggestion: `alias mrpl='rlwrap mlr repl'` in your shell's startup file.
## Customization
In your shell environment you can set the `MLR_REPL_PS1` and `MLR_REPL_PS2` environment variables if you like:
GENMD-CARDIFY
$ mlr repl -q
> 1+2
3
> <
... func f(x) {
... return x**2
... }
... >
> f(99)
9801
GENMD-EOF
GENMD-CARDIFY
$ export MLR_REPL_PS1='\nMLR REPL> '
$ export MLR_REPL_PS2=' '
$ mlr repl -q
MLR REPL> 1+2
3
MLR REPL> <
func f(x) {
return x**2
}
>
MLR REPL> f(99)
9801
GENMD-EOF
See also `MLR_REPL_PS1_COLOR` on the [output-colorization page](output-colorization.md).
## Online help
After `mlr repl`, type `:help` to see more about your options. In particular, `:help examples`.

2
internal/pkg/auxents/repl/prompt.go
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@ -37,6 +37,7 @@ func getPrompt1() string {
if prompt1 == "" {
prompt1 = DEFAULT_PRIMARY_PROMPT
}
prompt1 = lib.UnbackslashStringLiteral(prompt1) // In case they want a "\n" in there
return colorizer.MaybeColorizeREPLPS1(prompt1, true)
}
@ -45,6 +46,7 @@ func getPrompt2() string {
if prompt2 == "" {
prompt2 = DEFAULT_SECONDARY_PROMPT
}
prompt2 = lib.UnbackslashStringLiteral(prompt2) // In case they want a "\n" in there
return colorizer.MaybeColorizeREPLPS2(prompt2, true)
}