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      • Oslib

      Catpaths

      Extend a base directory with many file names.

      Signature
      (catpaths basedir filenames) → paths
      Arguments
      basedir — Directory whose name should be extended, which may or may not end with a slash.
          Guard (stringp basedir).
      filenames — Names of files to append to basedir.
          Guard (string-listp filenames).
      Returns
      paths — Extended paths.
          Type (string-listp paths).

      Definitions and Theorems

      Function: catpaths

      (defun catpaths (basedir filenames)
        (declare (xargs :guard (and (stringp basedir)
                                    (string-listp filenames))))
        (let ((__function__ 'catpaths))
          (declare (ignorable __function__))
          (if (atom filenames)
              nil
            (cons (catpath basedir (car filenames))
                  (catpaths basedir (cdr filenames))))))

      Theorem: string-listp-of-catpaths

      (defthm string-listp-of-catpaths
        (b* ((paths (catpaths basedir filenames)))
          (string-listp paths))
        :rule-classes :rewrite)