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Langue: en

Version: June 2007 (ubuntu - 07/07/09)

Section: 1 (Commandes utilisateur)


sexp-conv - convert s-expression to a different encoding


sexp-conv [OPTION]... < INPUT-SEXP

sexp-conv --hash[=algorithm] [OPTION]... < INPUT-SEXP


This manual page documents briefly the sexp-conv command. This manual page was written for the Debian GNU/Linux distribution because the original program does not have a manual page. Instead, it has documentation in the GNU Info format; see below.

sexp-conv is a program that converts S-expressions. It automatically detects the s-expression syntax variant of the input. It is primarily used by the `lsh' packages, which stores keys and most other objects on disk in that format, but may be of other use as well.


This program follows the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, see the Info files.
Output only the hash of the s-expression, using algorithm (default: sha1).
Alias for --hash, for compatibility with lsh 1.x.
Process exactly one s-expression.
Output an SPKI hash for the object. Not yet implemented.
-s, --syntax=format
Variant of S-expression to output. Valid S-expression formats are: transport, canonical (binary), advanced, and hex (same as advanced, but numbers in hex instead of base64).
-w, --width=width
Limit output to lines of width characters (has no effect on canonical syntax). Zero means no limit.
-?, --help
Show summary of options.
-V, --version
Show version of program.


ssh-conv(1), lsh(1), lshd(8),
The programs are documented fully by the sexp section under the Getting Started header of the lsh info page, available via the Info system.


This program should be documented in the nettle manual, not in the lsh manual.


This manual page was originally written by Timshel Knoll <>, for the Debian GNU/Linux system (but may be used by others). Edited by Magnus Holmgren <>.
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