| this.path-package | Get Script's Path | 
| basename2 | Manipulate File Paths | 
| check.dir | Check 'this.path()' is Functioning Correctly | 
| check.path | Check 'this.path()' is Functioning Correctly | 
| check.proj | Check 'this.path()' is Functioning Correctly | 
| dirname2 | Manipulate File Paths | 
| ext | File Extensions | 
| ext<- | File Extensions | 
| here | Construct Path to File, Starting With Script's Directory | 
| ici | Construct Path to File, Starting With Script's Directory | 
| init.file | Files Related to Initialization of the R Session | 
| LINENO | Line Number of Executing Expression | 
| make_fix_file | Functions That Enhance the Use of Other Packages | 
| OS.type | Detect the Operating System Type | 
| path.functions | Constructs Path Functions Similar to 'this.path()' | 
| path.join | Construct Path to File | 
| path.split | Split File Path Into Individual Components | 
| path.split.1 | Split File Path Into Individual Components | 
| path.unsplit | Split File Path Into Individual Components | 
| rel2here | Make a Path Relative to Another | 
| rel2proj | Make a Path Relative to Another | 
| relpath | Make a Path Relative to Another | 
| removeext | File Extensions | 
| reset.proj | Construct Path to File, Starting With Script's Directory | 
| set.env.path | Implement 'this.path()' For Arbitrary 'source()'-Like Functions | 
| set.gui.path | Declare GUI's Active Document | 
| set.jupyter.path | Declare Executing 'Jupyter' Notebook's Filename | 
| set.src.path | Implement 'this.path()' For Arbitrary 'source()'-Like Functions | 
| set.sys.path | Implement 'this.path()' For Arbitrary 'source()'-Like Functions | 
| set.sys.path.function | Implement 'this.path()' For Arbitrary 'source()'-Like Functions | 
| shFILE | Get 'FILE' Provided to R by a Shell | 
| site.file | Files Related to Initialization of the R Session | 
| splitext | File Extensions | 
| this.dir | Determine Script's Filename | 
| this.path | Determine Script's Filename | 
| this.proj | Construct Path to File, Starting With Script's Directory | 
| thisPathNotExistsError | Declare GUI's Active Document | 
| thisPathNotFoundError | Declare GUI's Active Document | 
| try.shFILE | Attempt to Determine Script's Filename | 
| try.this.path | Attempt to Determine Script's Filename | 
| unset.sys.path | Implement 'this.path()' For Arbitrary 'source()'-Like Functions | 
| with_init.file | Files Related to Initialization of the R Session | 
| with_script_path | Functions That Enhance the Use of Other Packages | 
| with_site.file | Files Related to Initialization of the R Session | 
| with_sys.path | Implement 'this.path()' For Arbitrary 'source()'-Like Functions | 
| wrap.source | Implement 'this.path()' For Arbitrary 'source()'-Like Functions |