isbinaryfile

Detects if a file is binary in Node.js. Similar to Perl's -B.
v5.0.4 URL: https://unpkg.com/isbinaryfile@5.0.4/lib/index.js
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istextorbinary

Determine if a filename and/or buffer is text or binary. Smarter detection than the other solutions.
v9.5.0 URL: https://unpkg.com/istextorbinary@9.5.0/index.cjs
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istextorbinary-albinodrought

Determines if a buffer is comprised of text or binary
v2.1.1 URL: https://unpkg.com/istextorbinary-albinodrought@2.1.1/index.js
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@stdlib/assert-is-binary-string

Test if a value is a binary string.
v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-binary-string@0.2.2/lib/index.js
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stdlibstdassertassertionassertutilitiesutilityutilsutilisbinarystringisstringisbinarybinarystringisvalidcheck

@stdlib/assert-is-binary-string-cli

Test if a value is a binary string.
v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-binary-string-cli@0.2.2
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stdlibstdassertassertionassertutilitiesutilityutilsutilisbinarystringisstringisbinarybinarystringisvalidcheck