rc/sh/has

#!/usr/bin/env sh
# YES_ZSH
# YES_BASH
# YES_DASH

has() { ### @-
    ### print the result of `which` if the program is found, else simply return 1.
    ###
    ### `export CC="$(has clang || has clang-3.8 || has gcc)"`
    if [ -n "$ZSH_VERSION" ]; then
        whence -p "$1"
    else
        which "$1" >/dev/null 2>&1 && which "$1"
    fi
}

[ "${SOURCING:-0}" -gt 0 ] || has "$@"
overhaul 2021-07-29 00:37:35 -07:00			`#!/usr/bin/env sh`
			`# YES_ZSH`
first pass over sh: improve compatibility, fix stuff 2021-07-29 05:44:12 -07:00			`# YES_BASH`
			`# YES_DASH`
overhaul 2021-07-29 00:37:35 -07:00
add and restore some docstrings 2021-07-30 17:57:08 -07:00			`has() { ### @-`
			### print the result of `which` if the program is found, else simply return 1.
			`###`
			### `export CC="$(has clang \|\| has clang-3.8 \|\| has gcc)"`
overhaul 2021-07-29 00:37:35 -07:00			`if [ -n "$ZSH_VERSION" ]; then`
			`whence -p "$1"`
			`else`
			`which "$1" >/dev/null 2>&1 && which "$1"`
			`fi`
			`}`

			`[ "${SOURCING:-0}" -gt 0 ] \|\| has "$@"`