#!/bin/sh
java.lang.NullPointerException # Licensed to the Apache Software Foundation (ASF) under one or more # contributor license agreements. See the NOTICE file distributed with # this work for additional information regarding copyright ownership. # The ASF licenses this file to You under the Apache License, Version 2.0 # (the "License"); you may not use this file except in compliance with # the License. You may obtain a copy of the License at
java.lang.NullPointerException # http://www.apache.org/licenses/LICENSE-2.0
java.lang.NullPointerException # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License.
java.lang.NullPointerException
java.lang.NullPointerException # Look for program[s] somewhere in $PATH.
java.lang.NullPointerException # Options: # -s # Donot print out full pathname. (silent) # -pPATHNAME # Look in PATHNAME instead of $PATH
java.lang.NullPointerException # Usage: # PrintPath [-s] [-pPATHNAME] program [program ...]
java.lang.NullPointerException # Initially written by Jim Jagielski for the Apache configuration mechanism # (with kudos to Kernighan/Pike)
## # Some "constants" ##
pathname=$PATH
echo="yes"
## # Find out what OS we are running for later on ##
os=`(uname) 2>/dev/null`
## # Parse command line ## for args in $* do case $args in
-s ) echo="no" ;;
-p* ) pathname="`echo $args | sed 's/^..//'`" ;;
* ) programs="$programs $args" ;;
esac
done
## # Now we make the adjustments required for OS/2 and everyone # else :)
java.lang.NullPointerException # First of all, all OS/2 programs have the '.exe' extension. # Next, we adjust PATH (or what was given to us as PATH) to # be whitespace separated directories. # Finally, we try to determine the best flag to use for # test/[] to look for an executable file. OS/2 just has '-r' # but with other OSs, we do some funny stuff to check to see # if test/[] knows about -x, which is the prefered flag. ##
if [ "x$os" = "xOS/2" ]
then
ext=".exe"
pathname=`echo -E $pathname |
sed 's/^;/.;/
s/;;/;.;/g
s/;$/;./
s/;/ /g
s/\\\\/\\//g' `
test_exec_flag="-r" else
ext=""# No default extensions
pathname=`echo $pathname |
sed 's/^:/.:/
s/::/:.:/g
s/:$/:./
s/:/ /g' ` # Here is how we test to see if test/[] can handle -x
testfile="pp.t.$$"
cat > $testfile <<ENDTEST #!/bin/sh if [ -x / ] || [ -x /bin ] || [ -x /bin/ls ]; then exit 0
fi exit 1
ENDTEST
if `/bin/sh $testfile 2>/dev/null`; then
test_exec_flag="-x" else
test_exec_flag="-r"
fi
rm -f $testfile
fi
for program in $programs do for path in $pathname do if [ $test_exec_flag $path/${program}${ext} ] && \
[ ! -d $path/${program}${ext} ]; then if [ "x$echo" = "xyes" ]; then
echo $path/${program}${ext}
fi exit 0
fi
# Next try without extension (if one was used above) if [ "x$ext" != "x" ]; then if [ $test_exec_flag $path/${program} ] && \
[ ! -d $path/${program} ]; then if [ "x$echo" = "xyes" ]; then
echo $path/${program}
fi exit 0
fi
fi
done
done exit 1
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