.TH SEGYIO-CATH 1
.SH NAME
segyio-cath \- Concatenate SEG-Y text headers and print on the standard output
.SH SYNPOSIS
.B segyio-cath
[\fIOPTION\fR]...
[\fIFILE\fR]...
.SH DESCRIPTION
.B segyio-cath
Concatenate the SEG-Y text headers in FILEs.

.PP
By default, only the non-extended header is printed, which is equivalent to
--num 0.

.PP
Mandatory arguments to long options are mandatory for short options too.

.SH OPTIONS
.TP
.BR \-n ", " \-\-num =\fINUM\fR
the textual header to show, starts at 0

.TP
.BR \-a ", " \-\-all
print all headers

.TP
.BR \-s ", " \-\-strict
abort if a header or file is not found
primarily meant for shell scripts

.TP
.BR \-S ", " \-\-nonstrict
ignore missing headers
this is the default behaviour

.TP
.BR \-\-version
output version information and exit

.TP
.BR \-\-help
display this help and exit

.SH COPYRIGHT
Copyright © Statoil ASA. License LGPLv3+: GNU LGPL version 3 or later <http://gnu.org/licenses/lgpl.html>.

.PP
This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

.SH SEE ALSO
segyio-catb(1), segyio-catr(1)