ENH: New abspath script

fsl/scripts/fsl_abspath.py

+#!/usr/bin/env python
+#
+# fsl_abspath.py - Make a path absolute
+#
+# Author: Paul McCarthy <pauldmccarthy@gmail.com>
+#
+"""The fsl_abspath command - makes relative paths absolute.
+"""
+
+
+import os.path as op
+import            sys
+
+
+usage = """
+usage: fsl_abspath path
+""".strip()
+
+
+def main(argv=None):
+    """fsl_abspath - make a relative path absolute. """
+
+    if argv is None:
+        argv = sys.argv[1:]
+
+    if len(argv) != 1:
+        print(usage)
+        return 1
+
+    print(op.realpath(argv[0]))
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())