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Replace some makes-you-want-to-slash-your-wrists-Code with something less harmful

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This commit is contained in:
Steven Barth 2008-10-30 13:13:50 +00:00
parent 8ab62a9e0a
commit 7a9c3efcec
1 changed files with 11 additions and 17 deletions
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28
libs/sys/luasrc/sys.lua
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@ -175,27 +175,21 @@ end
-- @return String containing the memory used for buffering in kB
-- @return String containing the free memory amount in kB
function sysinfo()
local c1 = "cat /proc/cpuinfo|grep system\\ typ|cut -d: -f2 2>/dev/null"
local c2 = "uname -m 2>/dev/null"
local c3 = "cat /proc/cpuinfo|grep model\\ name|cut -d: -f2 2>/dev/null"
local c4 = "cat /proc/cpuinfo|grep cpu\\ model|cut -d: -f2 2>/dev/null"
local c5 = "cat /proc/meminfo|grep MemTotal|awk {' print $2 '} 2>/dev/null"
local c6 = "cat /proc/meminfo|grep ^Cached|awk {' print $2 '} 2>/dev/null"
local c7 = "cat /proc/meminfo|grep MemFree|awk {' print $2 '} 2>/dev/null"
local c8 = "cat /proc/meminfo|grep Buffers|awk {' print $2 '} 2>/dev/null"
local cpuinfo = luci.fs.readfile("/proc/cpuinfo")
local meminfo = luci.fs.readfile("/proc/meminfo")
local system = luci.util.trim(luci.util.exec(c1))
local system = cpuinfo:match("system typ.-:%s*([^\n]+)")
local model = ""
local memtotal = tonumber(luci.util.trim(luci.util.exec(c5)))
local memcached = tonumber(luci.util.trim(luci.util.exec(c6)))
local memfree = tonumber(luci.util.trim(luci.util.exec(c7)))
local membuffers = tonumber(luci.util.trim(luci.util.exec(c8)))
local memtotal = tonumber(meminfo:match("MemTotal:%s*(%d+)"))
local memcached = tonumber(meminfo:match("\nCached:%s*(%d+)"))
local memfree = tonumber(meminfo:match("MemFree:%s*(%d+)"))
local membuffers = tonumber(meminfo:match("Buffers:%s*(%d+)"))
if system == "" then
system = luci.util.trim(luci.util.exec(c2))
model = luci.util.trim(luci.util.exec(c3))
if not system then
system = posix.uname("%m")
model = cpuinfo:match("model name.-:%s*([^\n]+)")
else
model = luci.util.trim(luci.util.exec(c4))
model = cpuinfo:match("cpu model.-:%s*([^\n]+)")
end
return system, model, memtotal, memcached, membuffers, memfree