SEGY-SAK - Command Line Interface

SEGY-SAK offers an interface on the command line to inspect SEG-Y files and to convert between data formats. These are convenience wrappers around core segysak functions to allow fast an easy interrogation of/interaction wtih SEG-Y files.

For example, it is possible to scrape the text header from a SEG-Y file

Bash Session

$ segysak -f volve10r12-full-twt-sub3d.sgy ebcidc
C 1 SEGY OUTPUT FROM Petrel 2017.2 Saturday, June 06 2020 10:15:00
C 2 Name: ST10010ZDC12-PZ-PSDM-KIRCH-FULL-T.MIG_FIN.POST_STACK.3D.JS-017534
ÝCroC 3
C 4 First inline: 10090  Last inline: 10150
C 5 First xline:  2150   Last xline:  2351
...
C37
C38
C39
C40 END EBCDIC

Standard linux redirects can be used to output the header to a file or to other command line tools.

Bash

segysak -f volve10r12-full-twt-sub3d.sgy ebcidc  > header.txt
segysak -f volve10r12-full-twt-sub3d.sgy ebcidc | less

A full list of sub-commands is available in the CLI Reference or individually for each sub-command individually using the --help flag.

Bash

segysak scan --help

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1. ZGY file operations require pyzgy>=0.10. ↩