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NAME
md_src_plugins_conditionals_READMEREADME - • infos = Information about the conditionals plugin is in keys below • infos/author = Thomas Waser thomas.waser@libelektra.org • infos/licence = BSD • infos/needs = • infos/provides = • infos/placements = presetstorage • infos/description = This plugin uses if-then-else like conditions stored in the metakey check/condition to validate data. Syntax (IF-condition) ? (THEN-condition) : (ELSE-condition) where the ELSE-condition is optional Condition: Key Operation `('String' | '1234.56' | Key | '')` Operations: !=, ==, <, <=, =>, >, :=, where: • := is used to set a key value • others are for comparison as in C Example `(this/key != 'value') ? (then/key == some/other/key) : (or/key <= '125')` Meaning: IF this/key NOT EQUAL TO 'value' THEN then/key MUST EQUAL some/other/key ELSE or/key MUST BE LESS THAN 125 Another full example: kdb mount conditionals.dump /tmount/conditionals conditionals dump kdb set user/tmount/conditionals/fkey 3.0 kdb set user/tmount/conditionals/hkey hello kdb setmeta user/tmount/conditionals/key check/condition "(hkey == 'hello') ? (fkey == '3.0')" # success kdb setmeta user/tmount/conditionals/key check/condition "(hkey == 'hello') ? (fkey == '5.0')" # fail Version 0.8.14 Mon Jul 24 2md7src_plugins_conditionals_README(3elektra)