George Bonser (grep@shorelink.com) wrote:
: On Tue, 11 Apr 2000, Ed Carp wrote:
: > device=eth0;ip_address=192.168.201.116,netmask=255.255.255.0
: > device=eth1;ip_address=192.168.201.117,netmask=255.255.255.0
: device
: eth0;ip_address=192.168.201.116,netmask=255.255.255.0
: eth1;ip_address=192.168.201.117,netmask=255.255.255.0
: Now you have exactly the same thing as I wrote only:
Nope! These are two different things. Ed's original is *stateless*. All
the information is on one line. Your example has state in the parser - you
need to read it linearly to determine that the lines following are device
lines.
In Ed's example I can 'grep device=eth1' and find out all the information
about eth1. Not with yours.
: AS a matter of fact, the device= is redundant. Since it appears in every
Only in a limited number of cases, and only where one type of object is
ever reported on.
: device. It is no "easier" to parse.
Oh most definitely it _is_ easier to parse. Single line parsing is the most
trivial thing in the world to parse. Multi-line and _hierarchical_stateful_
parsers are the worst.
: As for code that already parses this format, think about any util that
: operates on bind or gated configuration files.
How do I do that in /bin/sh ?
--
Stephen Harris
sweh@spuddy.mew.co.uk http://www.spuddy.org/
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This archive was generated by hypermail 2b29 : Sat Apr 15 2000 - 21:00:20 EST