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|
#! /bin/sh
set -ef
if test -n "$KSH_VERSION"; then
puts() {
print -r -- "$*"
}
else
puts() {
printf '%s\n' "$*"
}
fi
ALLMATCHES=0
while getopts a whichopts
do
case "$whichopts" in
a) ALLMATCHES=1 ;;
?) puts "Usage: $0 [-a] args"; exit 2 ;;
esac
done
shift $(($OPTIND - 1))
if [ "$#" -eq 0 ]; then
ALLRET=1
else
ALLRET=0
fi
case $PATH in
(*[!:]:) PATH="$PATH:" ;;
esac
for PROGRAM in "$@"; do
RET=1
IFS_SAVE="$IFS"
IFS=:
case $PROGRAM in
*/*)
if [ -f "$PROGRAM" ] && [ -x "$PROGRAM" ]; then
puts "$PROGRAM"
RET=0
fi
;;
*)
for ELEMENT in $PATH; do
if [ -z "$ELEMENT" ]; then
ELEMENT=.
fi
if [ -f "$ELEMENT/$PROGRAM" ] && [ -x "$ELEMENT/$PROGRAM" ]; then
puts "$ELEMENT/$PROGRAM"
RET=0
[ "$ALLMATCHES" -eq 1 ] || break
fi
done
;;
esac
IFS="$IFS_SAVE"
if [ "$RET" -ne 0 ]; then
ALLRET=1
fi
done
exit "$ALLRET"
|
