You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
629 B
40 lines
629 B
14 years ago
|
#!/bin/sh
|
||
|
|
|
||
|
|
HOME=/dev/null
|
||
|
|
export HOME
|
||
|
|
|
||
|
|
unset which
|
||
|
|
|
||
|
|
WHICH=`which which 2>/dev/null`
|
||
|
|
if echo $WHICH | grep 'shell built-in command' >/dev/null 2>&1; then
|
||
|
|
WHICH=which
|
||
|
|
elif [ -z "$WHICH" ]; then
|
||
|
|
if which which >/dev/null 2>&1; then
|
||
|
|
WHICH=which
|
||
|
|
else
|
||
|
|
for a in /usr/ucb /usr/bin /bin /usr/local/bin; do
|
||
|
|
if [ -x $a/which ]; then
|
||
|
|
WHICH=$a/which
|
||
|
|
break;
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$WHICH" ]; then
|
||
|
|
IFS=:
|
||
|
|
for a in $PATH; do
|
||
|
|
if [ -x $a/$1 ]; then
|
||
|
|
echo "$a/$1"
|
||
|
|
exit 0
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
else
|
||
|
|
a=`"$WHICH" "$1" 2>/dev/null`
|
||
|
|
if [ ! -z "$a" -a -x "$a" ]; then
|
||
|
|
echo "$a"
|
||
|
|
exit 0
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
exit 1
|