X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=doc%2Frrdcgi.pod;h=763ab230bb8168eea19af9c1bc0bce78b6c67bca;hb=c2588300e3b61df51b846dd79d90b3da9628d0cb;hp=cfa79a511b092015d9ebdf672ea3f476844017aa;hpb=9e81c95f3ef30967ea08f70a22bae2fe0031c901;p=rrdtool.git diff --git a/doc/rrdcgi.pod b/doc/rrdcgi.pod index cfa79a5..763ab23 100644 --- a/doc/rrdcgi.pod +++ b/doc/rrdcgi.pod @@ -30,7 +30,7 @@ Assume that rrdcgi is being run as a filter and not as a cgi. =back -=head2 Pass 1 +=head2 Keywords =over 8 @@ -60,11 +60,6 @@ Get the value of an environment variable. might give you the name of the remote user given you are using some sort of access control on the directory -=back - -=head2 Pass 2 - -=over 8 =item RRD::GOODFOR I @@ -86,15 +81,26 @@ could use to make sure everything is presented in Universal Time. Note that the values permitted to TZ depend on your OS. +=item RRD::SETVAR I I + +Analog to SETENV but for local variables + +=item RRD::GETVAR I + +Analog to GETENV but for local variables + =item RRD::TIME::LAST I I This gets replaced by the last modification time of the selected RRD. The -time is I-formated with the string specified in the second argument. +time is I-formatted with the string specified in the second argument. =item RRD::TIME::NOW I -This gets replaced by the current time of day. The -time is I-formated with the string specified in the argument. +This gets replaced by the current time of day. The time is +I-formatted with the string specified in the argument. + +Note that if you return : from your strftime format you may have to escape +them using \ if the time is to be used as an argument to a GRAPH command. =item RRD::TIME::STRFTIME I I I I @@ -102,19 +108,16 @@ This gets replaced by a strftime-formatted time using the format I on either I or I depending on whether I or I is specified. Both I and I must be supplied as either could be relative to the other. This is intended -to allow pretty titles on graphs with times that are easier for non rrdtool +to allow pretty titles on graphs with times that are easier for non RRDtool folks to figure out than "-2weeks". -=back - -=head2 Pass 3 - -=over 8 +Note that if you return : from your strftime format you may have to escape +them using \ if the time is to be used as an argument to a GRAPH command. =item RRD::GRAPH I This tag creates the RRD graph defined in its argument and then gets -replaced by an appropriate EIMGE tag referring to the graph. +replaced by an appropriate EIMG tag referring to the graph. The B<--lazy> option in RRD graph can be used to make sure that graphs are only regenerated when they are out of date. The arguments to the B tag work as described in the B manual page.