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Disable paging-mode if we read from an interactive TTY

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sharkdp 2018-05-07 22:59:30 +02:00 committed by David Peter
parent 9a0e444e09
commit 8a399c8d7d
1 changed files with 23 additions and 16 deletions
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39
src/main.rs
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@ -455,6 +455,21 @@ fn run() -> Result<()> {
assets.save()?;
}
_ => {
let files: Vec<Option<&str>> = app_matches
.values_of("FILE")
.map(|values| {
values
.map(|filename| {
if filename == "-" {
None
} else {
Some(filename)
}
})
.collect()
})
.unwrap_or_else(|| vec![None]); // read from stdin (None) if no args are given
let options = Options {
true_color: is_truecolor_terminal(),
style: match app_matches.value_of("style") {
@ -476,7 +491,14 @@ fn run() -> Result<()> {
paging: match app_matches.value_of("paging") {
Some("always") => true,
Some("never") => false,
Some("auto") | _ => interactive_terminal,
Some("auto") | _ => if files.contains(&None) {
// If we are reading from stdin, only enable paging if we write to an
// interactive terminal and if we do not *read* from an interactive
// terminal.
interactive_terminal && !atty::is(Stream::Stdin)
} else {
interactive_terminal
},
},
};
@ -490,21 +512,6 @@ fn run() -> Result<()> {
)
})?;
let files: Vec<Option<&str>> = app_matches
.values_of("FILE")
.map(|values| {
values
.map(|filename| {
if filename == "-" {
None
} else {
Some(filename)
}
})
.collect()
})
.unwrap_or_else(|| vec![None]); // read from stdin (None) if no args are given
let mut output_type = get_output_type(options.paging);
let handle = output_type.handle()?;
let mut printer = Printer::new(handle, &options);