[Sysfence-commit] sysfence/parseopt grammar.txt,NONE,1.1

[Michal S. <em...@us...>]

Update of /cvsroot/sysfence/sysfence/parseopt
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv30521

Added Files:
	grammar.txt 
Log Message:
+ grammar overview


--- NEW FILE: grammar.txt ---

    Grammar overview (informal):

ruleset             := rule [<string>] <block_expression> <rundata> [<logdata>] [<stepdata>]
                    |  rule [<string>] <block_expression> <logdata> [<rundata>] [<stepdata>]
block_expression    := { <expression> }
expression          := <atomic> [<log_op> <expression>]
                    |  <block_expression> [<log_op> <expression>]
logdata             := log [once]
rundata             := run [once] "command"
stepdata            := step <integer>
atomic              := <stat> <comp_op> <threshold>
stat                := la1 | la5 | la15 | memfree | memused | swapfree | swapused | <fs_cond> | <proc_cond>
fs_cond             := spacefree "path"
                    |  spaceavail "path"
                    |  spaceused "path"
proc_cond           := nproc [<user_list>] [<state_list>]
user_list           := <uid> [, <user_list>]
                    |  <username> [, <user_list>]
state_list          := <state> [, <state_list>]
state               := sleeping | running | stopped | uninterruptible | zombie
log_op              := && | ||
comp_op             := = | < | > | <= | >= | !=