| #! /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() |