59 lines
1.4 KiB
Groff
Executable File
59 lines
1.4 KiB
Groff
Executable File
.Dd September 1, 2014
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.Dt regexpu 1
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.Sh NAME
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.Nm regexpu
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.Nd transpile ES6 Unicode regular expressions to equivalent ES5
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.Sh SYNOPSIS
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.Nm
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.Op Fl -c | -code Ar snippet
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.br
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.Op Fl -f | -file Ar file
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.br
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.Op Fl v | -version
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.br
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.Op Fl h | -help
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.Sh DESCRIPTION
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.Nm
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transpiles ES6 Unicode regular expressions to equivalent ES5.
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.Sh OPTIONS
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.Bl -ohang -offset
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.It Sy "-c, --code <snippet>"
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Print a transpiled version of the given ES6 snippet.
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.It Sy "-f, --file <file>"
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Print a transpiled version of the given ES6 file.
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.It Sy "-v, --version"
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Print regexpu's version.
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.It Sy "-h, --help"
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Show the help screen.
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.El
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.Sh EXIT STATUS
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The
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.Nm regexpu
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utility exits with one of the following values:
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.Pp
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.Bl -tag -width flag -compact
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.It Li 0
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.Nm
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successfully transpiled the input and printed the result.
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.It Li 1
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.Nm
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wasn't instructed to transpile anything (for example, the
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.Ar --help
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flag was set); or, an error occurred.
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.El
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.Sh EXAMPLES
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.Bl -ohang -offset
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.It Sy "regexpu -f foo-es6.js > foo-es5.js"
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Transpile `foo-es6.js` to valid ES5 and save the result as `foo-es5.js`.
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.It Sy "regexpu -c 'var x = /foo.bar/u;'"
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Print the transpiled version of the given ES6 snippet.
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.It Sy "echo 'var x = /foo.bar/u;' | regexpu -c"
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Print the transpiled version of the ES6 snippet that gets piped in.
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.El
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.Sh BUGS
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regexpu's bug tracker is located at <https://github.com/mathiasbynens/regexpu/issues>.
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.Sh AUTHOR
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Mathias Bynens <https://mathiasbynens.be/>
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.Sh WWW
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<https://mths.be/regexpu>
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