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Support $OCAT_USERNAME $OCAT_DEVICE

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Jan-Piet Mens
2015-08-23 14:31:55 +02:00
parent c7a82653c5
commit 1b66f0d8a9
2 changed files with 9 additions and 0 deletions
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README.md
+2
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@@ -53,3 +53,5 @@ _ocat_ is a CLI driver for _recorder_: it prints data stored by the _recorder_ i
The following environment variables control _ocat_'s behaviour:
* `OCAT_FORMAT` can be set to the preferred output format. If unset, JSON is used. The `--format` option overrides this setting.
* `OCAT_USERNAME` can be set to the preferred username. The `--user` option overrides this environment variable.
* `OCAT_DEVICE` can be set to the preferred device name. The `--device` option overrides this environment variable.
ocat.c
+7
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@@ -103,6 +103,13 @@ int main(int argc, char **argv)
time_t now, s_lo, s_hi;
output_type otype = JSON;
if ((p = getenv("OCAT_USERNAME")) != NULL) {
username = strdup(p);
}
if ((p = getenv("OCAT_DEVICE")) != NULL) {
device = strdup(p);
}
if ((p = getenv("OCAT_FORMAT")) != NULL) {
switch (tolower(*p)) {
case 'j': otype = JSON; break;