rc/sh/isup

#!/usr/bin/zsh
# YES_ZSH
# NO_BASH
# NO_DASH

# TODO: damned substrings. rewrite to be semi-portable.

isup() { ### @-
    ### return 0 if a given website returns a 2xx HTTP code.
    local c
    curl -sLI -w '%{http_code}' -o /dev/null "$1" | read -r c
    [ "${c:0:1}" -eq 2 ]
}

[ "${SOURCING:-0}" -gt 0 ] || isup "$@"
stuff 2014-11-12 20:36:15 -08:00			`#!/usr/bin/zsh`
overhaul 2021-07-29 00:37:35 -07:00			`# YES_ZSH`
first pass over sh: improve compatibility, fix stuff 2021-07-29 05:44:12 -07:00			`# NO_BASH`
			`# NO_DASH`

			`# TODO: damned substrings. rewrite to be semi-portable.`
overhaul 2021-07-29 00:37:35 -07:00
add and restore some docstrings 2021-07-30 17:57:08 -07:00			`isup() { ### @-`
			`### return 0 if a given website returns a 2xx HTTP code.`
stuff 2014-11-12 20:36:15 -08:00			`local c`
			`curl -sLI -w '%{http_code}' -o /dev/null "$1" \| read -r c`
			`[ "${c:0:1}" -eq 2 ]`
			`}`
overhaul 2021-07-29 00:37:35 -07:00
			`[ "${SOURCING:-0}" -gt 0 ] \|\| isup "$@"`