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#! /usr/bin/env python

# Variant of "which".

# On stderr, near and total misses are reported.

# '-l<flags>' argument adds ls -l<flags> of each file found.

import sys

if sys.path[0] in (".", ""): del sys.path[0]

import sys, os

from stat import *

def msg(str):

sys.stderr.write(str + '\n')

def main():

pathlist = os.environ['PATH'].split(os.pathsep)

sts = 0

longlist = ''

if sys.argv[1:] and sys.argv[1][:2] == '-l':

longlist = sys.argv[1]

del sys.argv[1]

for prog in sys.argv[1:]:

ident = ()

for dir in pathlist:

filename = os.path.join(dir, prog)

try:

st = os.stat(filename)

except os.error:

continue

if not S_ISREG(st[ST_MODE]):

msg(filename + ': not a disk file')

else:

mode = S_IMODE(st[ST_MODE])

if mode & 0111:

if not ident:

print filename

ident = st[:3]

else:

if st[:3] == ident:

s = 'same as: '

else:

s = 'also: '

msg(s + filename)

else:

msg(filename + ': not executable')

if longlist:

sts = os.system('ls ' + longlist + ' ' + filename)

if sts: msg('"ls -l" exit status: ' + repr(sts))

if not ident:

msg(prog + ': not found')

sts = 1

sys.exit(sts)

if __name__ == '__main__':

main()