.TH J2X 1 2020-06-28 NCBI "NCBI Entrez Direct User's Manual"
.SH NAME
j2x \- transform JSON data to XML
.SH SYNOPSIS
\fBj2x\fP
[\|\fB\-input\fP\ \fIfilename\fP\|]
[\|\fB\-output\fP\ \fIfilename\fP\|]
[\|\fB\-set\fP\ \fItag\fP\|]
[\|\fB\-rec\fP\ \fItag\fP\|]
[\|\fB\-nest\fP\ \fBflat\fP|\fBrecurse\fP|\fBplural\fP|\fBdepth\fP\|]
[\|\fB\-timer\fP\|]
[\|\fB\-help\fP\|]
.SH DESCRIPTION
\fBj2x\fP reads JSON data
from standard input or a specified file,
transforms it to XML
with optional formal changes to set and record tags,
and writes the result
to standard output or a specified file.
.SH OPTIONS
.SS Data Files
.TP
\fB\-input\fP\ \fIfilename\fP
Read JSON from \fIfilename\fP instead of standard input.
.TP
\fB\-output\fP\ \fIfilename\fP
Write XML to \fIfilename\fP instead of standard output.
.SS Parent Object Names
.TP
\fB\-set\fP\ \fItag\fP
Replace set wrapper tag.
.TP
\fB\-rec\fP\ \fItag\fP
Replace record wrapper tag.
.SS Nested Array Naming
.TP
\fB\-nest\fP\ \fBflat\fP|\fBrecurse\fP|\fBplural\fP|\fBdepth\fP
Nested array naming policy.
.SS Performance Measurement
.TP
\fB\-timer\fP
Report processing duration and rate.
.SS Documentation
.TP
\fB\-help\fP
Print usage information, complete with an example pipeline.
.SH SEE ALSO
.BR efetch (1),
.BR enquire (1),
.BR nquire (1),
.BR t2x (1),
.BR transmute (1),
.BR xtract (1).