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| author | Andreas Rumpf <rumpf_a@web.de> | 2017-10-30 17:21:05 +0100 |
|---|---|---|
| committer | Andreas Rumpf <rumpf_a@web.de> | 2017-10-30 17:21:05 +0100 |
| commit | 08950649839c1df1504d495fccfea04bf11f55ed (patch) | |
| tree | 8d56f635aec69802506b2e8498366e05140937d2 /lib/pure/includes | |
| parent | a155130cf2a1ba57501f5b22e4b6818fbc2bd0ae (diff) | |
| download | Nim-08950649839c1df1504d495fccfea04bf11f55ed.tar.gz | |
getEnv now supports a 'default' parameter; refs #6019
Diffstat (limited to 'lib/pure/includes')
| -rw-r--r-- | lib/pure/includes/osenv.nim | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/pure/includes/osenv.nim b/lib/pure/includes/osenv.nim index 8d2fc235a..ae62a5c4e 100644 --- a/lib/pure/includes/osenv.nim +++ b/lib/pure/includes/osenv.nim @@ -94,7 +94,7 @@ proc findEnvVar(key: string): int = if startsWith(environment[i], temp): return i return -1 -proc getEnv*(key: string): TaintedString {.tags: [ReadEnvEffect].} = +proc getEnv*(key: string, default = ""): TaintedString {.tags: [ReadEnvEffect].} = ## Returns the value of the `environment variable`:idx: named `key`. ## ## If the variable does not exist, "" is returned. To distinguish @@ -108,7 +108,7 @@ proc getEnv*(key: string): TaintedString {.tags: [ReadEnvEffect].} = return TaintedString(substr(environment[i], find(environment[i], '=')+1)) else: var env = c_getenv(key) - if env == nil: return TaintedString("") + if env == nil: return TaintedString(default) result = TaintedString($env) proc existsEnv*(key: string): bool {.tags: [ReadEnvEffect].} = |