John: your idea of using a cron is excellent I would probably just have
Revolution write directly to cron (as I have this already set up...)
and pass the parameter along with it. Though i think I will use this for
other tasks, not this one. But that's definitely a keeper.
Sarah: I'll try using your method first, why don't
you use "send in 1 second until the file is not empty" or something like
that, instead of a repeat loop with wait?
BTW: from man sh, "REDIRECTION" Section
The mysterious part.. still archane, but there's a touch of light here.
and lots of other stuff in man sh, if you have the stomach for bash.
=========
Note that the order of redirections is significant. For example, the
command
ls > dirlist 2>&1
directs both standard output and standard error to the file
dirlist,
while the command
ls 2>&1 > dirlist
directs only the standard output to file dirlist, because the
standard
error was duplicated as standard output before the standard
output was
redirected to dirlist.
=========
Sivakatirswami
Sarah Reichelt wrote:
On 11/11/06, Sivakatirswami <[EMAIL PROTECTED]> wrote:
Some on our team are *nix nerds and if I need a powerdrill to add
to my tool box they are, being long time masters of the unix
patchwork quilt method of micro programs and pipes... more than
happy to give me a little bash script. OK so, my cmd line skills
are slowly improving and I can install these widgets in
/usr/local/bin/some_cool_tool.sh # on my OSX box, G4 Powerbook
e.g.
SEARCH_PATTERN=$1 locate index.shtml | while read INDEX_FILE; do
fgrep -H -i "$SEARCH_PATTERN" $INDEX_FILE done | more exit 0
(wow, that is soooo concise!)
and then in Revolution set up a button:
on mouseUp put empty into fld "results" set the shellCommand to
"/bin/sh" put "/usr/local/bin/web_content_search.sh" & quote & fld
"findString" & quote into tShellCmd put shell (tShellcmd) into fld
"results" end mouseUp
It all works, is very "sweet" And it is a *lot* faster than using
transcript for the same job. *but* Only problem is: it is
blocking... and this is documented behavior:
Here is my way around this problem. The example below is for a "ping"
command, but I'm sure you can adapt it to your stuff.
As you can see, I direct the output of the shell command to a
temporary text file. The second part of the shell command containing
the "2>&1 &" is the relevant section. I don't understand it but it
works :-) The rest of the script just loops around checking to see if
there is anything in this file and then parsing the result. Since it
uses wait with messages, it is non-blocking.
HTH, Sarah
function checkPing pIP put specialFolderPath("Desktop") & "/ping.txt"
into tFileName if there is a file tFileName then delete file
tFileName
put "ping -c1 -n " & pIP into tShellCmd put " > " & tFileName & "
2>&1 &" after tShellCmd get shell(tShellCmd)
put 0 into timeCheck repeat 50 times add 1 to timeCheck wait 1 tick
with messages if there is a file tFileName then put URL ("file:" &
tFileName) into tRes if tRes is empty then next repeat -- file
created but no result yet
put wordOffset("loss", tRes) into tWord if tWord = 0 then next repeat
-- file created but result not complete
-- if there is a file tFileName then delete file tFileName put word
tWord-2 of tRes into tPercent if tPercent = "0%" then return true
else return false end if end repeat
if there is a file tFileName then delete file tFileName return false
end checkPing _______________________________________________
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