Standard Library/sysenv
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This script defines text system environment and is included in the J standard library. Definitions are loaded into the z locale.
Definitions
| F | FHS |
| H | hostpathsep |
| I | IF64, IFBE, IFDEF, IFIOS, IFJA, IFJHS, IFQT, IFRASPI, IFUNIX, IFWIN, IFWINCE, IFWINE, IFWOW64 |
| J | jcwdpath, JLIB, jpathsep, jsystemdefs |
| U | UNAME |
| W | winpathsep |
| FHS | n | filesystem hierarchy: 0=not used 1=linux and installed under /usr/... |
| hostpathsep | v | converts path name to use host path separator |
| IF64 | n | if a 64 bit J system |
| IFBE | n | if a big-endian system |
| IFDEF | v | if DEFxxx exists |
| IFIOS | n | if iOS (iPhone/iPad) |
| IFJA | n | if J Android (not jconsole) |
| IFJHS | n | if jhs libraries loaded |
| IFQT | n | if Qt libraries loaded |
| IFRASPI | n | if Raspberry Pi or Linux arm64 |
| IFUNIX | n | if UNIX |
| IFWIN | n | if Windows (2000 and up) |
| IFWINCE | n | if Windows CE |
| IFWINE | n | if Wine (Wine Is Not an Emulator) |
| IFWOW64 | n | if running J32 on a 64 bit o/s |
| jcwdpath | v | adds path to J current working directory |
| JLIB | n | J library version |
| jpathsep | v | converts path name to use / separator |
| jsystemdefs | v | loads appropriate netdefs or hostdefs |
| UNAME | n | name of UNIX o/s |
| winpathsep | v | converts path name to use \ separator |