Miscellaneous operating system functions

sage.misc.sage_ostools.have_program(program, path=None)

Return True if a program executable is found in the path given by path.

INPUT:

  • program - a string, the name of the program to check.
  • path - string or None. Paths to search for program, separated by os.pathsep. If None, use the PATH environment variable.

OUTPUT: bool

EXAMPLES:

sage: from sage.misc.sage_ostools import have_program
sage: have_program('ls')
True
sage: have_program('there_is_not_a_program_with_this_name')
False
sage: have_program('sage', path=SAGE_ROOT)
True
sage: have_program('ls', path=SAGE_ROOT)
False