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8 lines
270 B
Bash
Executable file
8 lines
270 B
Bash
Executable file
#!/usr/bin/env sh
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# compat: +ash +bash +dash -hush +ksh +mksh +oksh +osh +posh +yash +zsh
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has() { ### @- [`have`,](#have) silently.
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if [ -z "$ZSH_VERSION" ]; then which -- "$1"; else whence -p -- "$1"; fi
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} >/dev/null 2>/dev/null
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[ -n "${preload+-}" ] || has "$@"
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