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@ -27,6 +27,9 @@ use std::io::{self, BufRead, BufReader, Write};
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use std::path::{Path, PathBuf};
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use std::process::{self, Child, Command, Stdio};
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#[cfg(unix)]
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use std::os::unix::fs::FileTypeExt;
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use ansi_term::Colour::{Fixed, Green, Red, White, Yellow};
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use ansi_term::Style;
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use atty::Stream;
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@ -163,7 +166,21 @@ fn print_file(
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let syntax = match (options.language, filename) {
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(Some(language), _) => syntax_set.find_syntax_by_token(language),
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(None, Some(filename)) => syntax_set.find_syntax_for_file(filename)?,
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(None, Some(filename)) => {
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#[cfg(not(unix))]
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let may_read_from_file = true;
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// Do not peek at the file (to determine the syntax) if it is a FIFO because they can
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// only be read once.
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#[cfg(unix)]
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let may_read_from_file = !fs::metadata(filename)?.file_type().is_fifo();
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if may_read_from_file {
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syntax_set.find_syntax_for_file(filename)?
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} else {
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None
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}
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}
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(None, None) => None,
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};
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