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There are several ways google throws at me for checking if a file is empty but I need to do the opposite.
If (file is NOT empty)
do things
How would I do this in batch?
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What it is: %0|%0 is a fork bomb. It will spawn another process using a pipe | which runs a copy of the same program asynchronously. This hogs the CPU and memory, slowing down the system to a near-halt (or even crash the system).
echo "p=%p%" echo. echo. echo. pause for /F %%i in ('dir /b /a "%p%*"') do ( echo Folder %p% was NOT empty goto :process ) echo Folder %p% was empty :process echo "BLAH, BLAH, BLAH " :end pause exit rem Copy past in notepad to try.
When used in a command line, script, or batch file, %1 is used to represent a variable or matched string. For example, in a Microsoft batch file, %1 can print what is entered after the batch file name.
first: SET /P variable= When batch file reaches this point (when left blank) it will halt and wait for user input. Input then becomes variable.
for /f %%i in ("file.txt") do set size=%%~zi
if %size% gtr 0 echo Not empty
this should work:
for %%R in (test.dat) do if not %%~zR lss 1 echo not empty
help if says that you can add the NOT directly after the if to invert the compare statement
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