HP 3000 Manuals

File Name Differences [ HP Motif/iX Programmer's Supplement ] MPE/iX 5.0 Documentation


HP Motif/iX Programmer's Supplement

File Name Differences 

Header files described in X and OSF/Motif documentation have file names
that follow HP-UX file naming conventions.
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Under the hierarchical file system, MPE/iX file naming conventions are
similar to HP-UX. However, there are some limitations.  The table below
describes some of the limitations:[REV END]
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          Table 2-1.  HP-UX and MPE/iX File Naming Differences 

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|              |                          |                           |                         |
|     Item     |        MPE Syntax        |        HFS Syntax         |      HP-UX Syntax       |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| Specify file | No special beginning     | Name must be preceded by  | No special characters   |
| name         | characters required:     | a ./ (dot slash) or /     | required unless         |
|              | FILE.GRP.ACCT            | (slash):  /ACCT or ./dir  | specifying full path    |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| Name         | .  (period); / (slash)   | / (slash) separates path  | / (slash) separates     |
| separators   | separates lockwords      | components                | path components         |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| Way of       | Bottom up:               | Top down:  /ACCT/GRP/FILE | Top down:               |
| specifying   | FILE.GRP.ACCT            |                           | /dir/dir/../file        |
| files        |                          |                           |                         |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| Case         | Not case sensitive; all  | Case sensitive:/DIR/FILE1 | Case sensitive          |
| sensitivity  | characters are shifted   | and /DIR/file1 are two    |                         |
|              | to uppercase             | different files           |                         |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| Special      | Only alphanumeric        | Alphanumeric characters,  | Alphanumeric and most   |
| characters   | characters               | - (hyphen), .  (dot) and  | non- alphanumeric       |
|              |                          | _ (underscore) are        | characters              |
|              |                          | allowed                   |                         |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| First        | Must be alphabetic       | Can be alphanumeric, .    | Can be any alphanumeric |
| character    |                          | (dot) or _ (underscore    |                         |
|              |                          | but not - (hyphen)        |                         |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| Directory    | Not available            | 16 mixed case characters  | Up to 255 characters    |
| name length  |                          | (if directly under root   |                         |
|              |                          | or directly under a       |                         |
|              |                          | group); up to 255         |                         |
|              |                          | characters (elsewhere)    |                         |
|              |                          |                           |                         |
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          Table 2-1.  HP-UX and MPE/iX File Naming Differences (cont.) 
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|              |                          |                           |                         |
|     Item     |        MPE Syntax        |        HFS Syntax         |      HP-UX Syntax       |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| File name    | 8 uppercase characters   | 16 mixed case characters  | Up to 255 characters    |
| length       |                          | (if directly under root   |                         |
|              |                          | or directly under a       |                         |
|              |                          | group); up to 255         |                         |
|              |                          | characters (elsewhere)    |                         |
|              |                          |                           |                         |
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|              |                          |                           |                         |
| Maximum      | 35                       | 1023                      | 1023                    |
| characters   |                          |                           |                         |
| in a         |                          |                           |                         |
| pathname     |                          |                           |                         |
|              |                          |                           |                         |
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See New Features of MPE/iX: Using the Hierarchical File System  
(32650-90351) for more information.[REV END]



MPE/iX 5.0 Documentation