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XYMONDIGEST(1) General Commands Manual XYMONDIGEST(1)


xymondigest - calculate message digests


xymondigest md5|sha1|sha256|sha512|sha224|sha384|rmd160 [filename]


xymondigest(1) is a utility to calculate message digests for a file or document. It is used when defining HTTP- or FTP-based content checks, where xymonnet(1) checks that a URL returns a specific document; instead of having to compare the entire document, the comparison is done against a pre-computed message digest value using the MD5, RIPEMD160, SHA1 or any of the SHA2 (SHA-512, SHA-256, SHA-384, SHA-224) message digest algorithms.

The optional filename parameter is the input file whose message digest should be calculated; if no filename is given, the data is read from standard input.

xymondigest outputs a string containing the digest algorithm and the computed message digest. This is in a format suitable for use in the hosts.cfg(5) definition of a content check.


$ xymondigest md5 index.html md5:88b81b110a85c83db56a939caa2e2cf6

$ curl -s | xymondigest sha1 sha1:e5c69784cb971680e2c7380138e04021a20a45a2


xymonnet(1), hosts.cfg(5)

Version 4.3.28: 17 Jan 2017 Xymon