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becki:linux:lua
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| Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
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becki:linux:lua [2016-03-03 10:42] becki [C-style ?-operator equivalent] |
becki:linux:lua [2023-12-27 13:57] (aktuell) becki [Classes and Objects] |
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| [[http://kripken.github.io/lua.vm.js/script_example.html|lua.vm.js]] thanks to asm.js | [[http://kripken.github.io/lua.vm.js/script_example.html|lua.vm.js]] thanks to asm.js | ||
| + | |||
| + | ==== Lua for Java/Android == | ||
| + | |||
| + | [[https://sourceforge.net/projects/luaj/|Luaj]], seen at [[https://github.com/M66B/XPrivacyLua/blob/master/README.md|XPrivacyLua]] | ||
| ===== C-style ?-operator equivalent == | ===== C-style ?-operator equivalent == | ||
| Zeile 253: | Zeile 257: | ||
| ===== Classes and Objects == | ===== Classes and Objects == | ||
| + | |||
| + | See also projects/accounting/sbaccimport which has since rev 482:c85c255f1870 classes with inheritance where the constructor new() is a class method and can therefore be reused in child classes similar to PIL capter 21 | ||
| ==== Classes as Object templates == | ==== Classes as Object templates == | ||
| <code lua> | <code lua> | ||
| Zeile 501: | Zeile 507: | ||
| - ''"l"'' as arg for ''read()'' is the default, it can be omitted | - ''"l"'' as arg for ''read()'' is the default, it can be omitted | ||
| - ''file:lines()'' and ''io.lines()'' accept the same format args as ''read()''. (Tested. Nowhere found in docu). Thus you could read a file eg chunk by chunk as well. | - ''file:lines()'' and ''io.lines()'' accept the same format args as ''read()''. (Tested. Nowhere found in docu). Thus you could read a file eg chunk by chunk as well. | ||
| + | - io.lines() without arguments returns an iterater wich returns stdin line by line | ||
| + | ==== Load CSV-like files == | ||
| + | |||
| + | <code lua> | ||
| + | #!/usr/bin/lua | ||
| + | local separator=":" | ||
| + | for line in io.lines() do | ||
| + | print(line) | ||
| + | for cell in line:gmatch("[^"..separator.."]+") do | ||
| + | print("", cell) | ||
| + | end | ||
| + | end | ||
| + | </code> | ||
| ===== Includes and Modules == | ===== Includes and Modules == | ||
| ==== Include == | ==== Include == | ||
becki/linux/lua.1457001720.txt.gz · Zuletzt geändert: 2016-03-03 10:42 von becki
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