Check on Missing Utility Programs

Internally used in examples, tests, or vignettes.

check.utility(x = c("muscle", "clustalo", "dssp", "stride", 
                "mustang", "makeup"), quiet = TRUE)

Arguments

x	Names of one or more utility programs to check.
quiet	logical, if TRUE no warning or message printed.

Details

Check if requested utility programs are availabe or not.

Value

logical, TRUE if programs are available and FALSE if any one of them is missing.

Examples

   check.utility(c("muscle", "dssp"), quiet=FALSE)
#> External utility programs found
   if(!check.utility("mustang")) 
      cat(" The utility program, MUSTANG, is missing on your system\n")
#>  The utility program, MUSTANG, is missing on your system