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qt3/config.tests/unix/which.test

40 lines
629 B

#!/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