4 ms·

function require_curl() { which "curl" > /dev/null; } function require_curl() { which -s "curl"; } function debug { ((DEBUG)) && echo ">>> $*"; } Last one

by lelf 13y ago

function require_curl() { which "curl" > /dev/null; } function require_curl() { which -s "curl"; } function debug { ((DEBUG)) && echo ">>> $*"; } Last one is bash, which -s is BSD'ish

cbsmith 13y ago
Really, just say no to which: https://news.ycombinator.com/item?id=6210440 https://news.ycombinator.com/item?id=6210440
mrb 13y ago
To make debug() POSIX compliant: debug() { [ "$DEBUG" ] && echo ">>> $*"; }