if file is empty

[jbartlett323]

So i just started evaluating and so far i really like what robotask can do.  Was working with Automation Anyware and Robotask is a better program hands down! 
My problem is i work with a lot of empty files.  i need to write "if" statements about empty files.  or not so empty files.  but everything i try either works both ways (if or if not) or doesn't work at all.  could you help me find the best way to do this?
example:
If {FileSize(G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)})} equal or less than 0
   Move file here
end if
 

[Oleg]

You are correct. Variable {FileSize()} returns 0 for empty files and more than 0 if file is not empty

You can write the following construction:

If {FileSize(G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)})} = 0 then
   move file G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)} to another folder
else
   do something else
end if

This example processes only single file witn name G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)}. But you said about lot of empty files.
Maybe you want to sort many files. In this case you have to use "File loop" action. I can write a small example for you if needed.

Describe in more detail, please, if I haven't understood you correctly.

[jbartlett323]

well its typically only one file per folder/job so i'm not to worried about loops... 
i tried it again adding the "else" which i didn't have before, and it didn't seem to matter if the file was empty or not it still moved it. 
so i tried to do a "less than 0" thinking that maybe there was information in the file i couldn't see, and it renamed the file empty or not... 
my current task:
if {FileSize(G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)})} less than 1 then 
move file G:\NBEEFXFR\nb{ShortYear}{MonthNo}{IncDays(-1)  
else
rename G:\NBEEFXFR\1nb{ShortYear}{MonthNo}{IncDays(-1)   end if
so i figure i gotta be doin something wrong or i'm on the very brink of having it perfect!  any more insight would be appreciated!

[Oleg]

Send me your whole task to me oleg(at)robotask.com
Maybe I'll find some mistakes.

I've try the small test, this works fine. I haven't understood what is the problem?

Are you sure that your file is not locked by another application at the moment when you try to move it?

See my example below:

;**********************
;* RoboTask Task file *
;* Do not edit!       *
;**********************

[Root]
ActionAfterRun=INTEGER|0
Actions=FOLDER
Automat=INTEGER|-1
CatID=INTEGER|1740897579
ContinueOnError=INTEGER|0
ExternalName=STRING|"Task216"
Hide=INTEGER|0
ID=INTEGER|624556337
Name=STRING|"detect empty files"
Priority=INTEGER|3
RunOnClose=INTEGER|0
RunOnStartup=INTEGER|0
ToLog=INTEGER|3

[Actions]
Action1=FOLDER
Action2=FOLDER
Action3=FOLDER
Action4=FOLDER
Action5=FOLDER
Action6=FOLDER

[Actions\Action1]
ActionID=STRING|"A_LOOP_FILE"
Enabled=INTEGER|-1
Name=STRING|"File Loop"
Params=FOLDER

[Actions\Action1\Params]
createmode=STRING|"1"
date1=STRING|"20070912"
date2=STRING|"20070912"
destvar=STRING|"FFF"
DuringDays=STRING|"1"
DuringMonths=STRING|"1"
file0=STRING|"C:\incoming\*.*"
filecount=STRING|"1"
OlderDays=STRING|"1"
OlderMonths=STRING|"1"
savesize=STRING|"0"
searchkind=STRING|"0"
subdirs=STRING|"0"
timesize=STRING|"0"
WithoutPath=STRING|"0"

[Actions\Action2]
ActionID=STRING|"A_FLOW_IF"
Enabled=INTEGER|-1
Name=STRING|"If Then"
Params=FOLDER

[Actions\Action2\Params]
case=STRING|"0"
operator=STRING|"5"
type=STRING|"1"
value1=STRING|"{FileSize({FFF})}"
value2=STRING|"1"

[Actions\Action3]
ActionID=STRING|"A_DIALOG_MESSAGE"
Enabled=INTEGER|-1
Name=STRING|"Show ""File {FFF} is empty"""
Params=FOLDER

[Actions\Action3\Params]
icon=STRING|"1"
msg0=STRING|"File {FFF} is empty"
msgcount=STRING|"1"
playsound=STRING|"0"
showmessage=STRING|"1"

[Actions\Action4]
ActionID=STRING|"A_FILE_COPY"
Enabled=INTEGER|-1
Name=STRING|"Copy/Move File"
Params=FOLDER

[Actions\Action4\Params]
destdir=STRING|"c:\trash"
f_count=STRING|"1"
file0=STRING|"{fff}"
ifexists=STRING|"1"
move=STRING|"1"
subdir=STRING|"0"

[Actions\Action5]
ActionID=STRING|"A_FLOW_ENDIF"
Enabled=INTEGER|-1
Name=STRING|"End If"

[Actions\Action6]
ActionID=STRING|"A_LOOP_END"
Enabled=INTEGER|-1
Name=STRING|"End Loop"

[Oleg]

if {FileSize(G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)})} less than 1 then ...

BTW: I think that you have to use string
{FileSize(G:\temp\nb{ShortYearIncDays(-1)}{MonthIncDays(-1)} {IncDays(-1)})}
instead of your string

[jbartlett323]

well apparently it is the loop command with variable assignment i need.  seems kinda strang but that is the only difference between what i had and what you showed me, and yours works perfectly.  but thats ok for me i can definatly make it work in the future! 
And as far as i can tell {FileSize(G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)})} works perfect for yesterdays date.  tried both ways and both did exactly the same thing!
Thanks for all your help Oleg!

[Oleg]

{FileSize(G:\temp\nb{ShortYear}{MonthNo}{IncDays(-1)})}

This will work incorrectly at 1-st day of each month and at 1-st day of the year

[jbartlett323]

ah now i see this difference!!  thanks again!