[DESCRIPTION]
\fBarki-xargs\fP reads streams of data, identify the separate data components
thatn they contain, and runs a program on each single data component.
.P
It can run on standard input, or on files passed with \fI\-i\fP.
.P
\fBarki-xargs\fP exports the following environment variables to the child
process:
.TP
\fBARKI_XARGS_FORMAT\fP
.br
Format of the data in the file
.TP
\fBARKI_XARGS_COUNT\fP 
.br
Number of data items in the file
.TP
\fBARKI_XARGS_TIME_START\fP 
.br
Minimum reference time of the data in the file, in the format
"YYYY-MM-DD HH:MM:SSZ" (always in UTC time zone, as indicated by the trailing
"Z").
.TP
\fBARKI_XARGS_TIME_END\fP 
.br
Maximum reference time of the data in the file, in the same format as
ARKI_XARGS_TIME_START

[EXAMPLES]
Here are some example invocations of \fBarki-xargs\fP:
.P
.nf
  # Run process-grib-file on every grib contained in file.grib
  arki-scan file.grib | arki-xargs process-grib-file
  # Example process-grib-file
    #!/bin/sh
    # Just copy the input data to standard output
    cat $1
.fi
