---
name: "segyio-cath"
section: "1"
platform: "linux"
package: "segyio-bin"
version: "1.8.3-1.2"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/segyio-cath"
---

# segyio-cath(1)

Concatenate SEG-Y text headers and print on the standard output

## NAME

segyio-cath - Concatenate SEG-Y text headers and print on the standard output

## SYNPOSIS

**segyio-cath** \[*OPTION*\]... \[*FILE*\]...

## DESCRIPTION

**segyio-cath** Concatenate the SEG-Y text headers in FILEs.

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

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

## OPTIONS

- **-n**, **--num**=*NUM*

  the textual header to show, starts at 0

- **-a**, **--all**

  print all headers

- **-s**, **--strict**

  abort if a header or file is not found primarily meant for shell scripts

- **-S**, **--nonstrict**

  ignore missing headers this is the default behaviour

- **--version**

  output version information and exit

- **--help**

  display this help and exit

## COPYRIGHT

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

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

## SEE ALSO

[segyio-catb(1)](/segyio-catb/1.md), [segyio-catr(1)](/segyio-catr/1.md)