kwhich

来自「Solaris操作系统下的过滤驱动程序, C源码程序.」· 代码 · 共 25 行

# kwhich 1.0 (C) 2000 Miquel van Smoorenburg
# This program is GPLed

if [ $# -lt 1 ]
then
        echo "Usage: $0 cmd [cmd..]" >&2
        exit 1
fi

IFS=":$IFS"
for cmd in $*
do
        for path in $PATH
        do
                if [ -x "$path/$cmd" ]
                then
                        echo "$path/$cmd"
                        exit 0
                fi
        done
done

echo "$*: not found" >&2
exit 1