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Shell Programming and Scripting

fail a unix script

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Top Forums Shell Programming and Scripting fail a unix script
# 1  
Old 10-27-2008
fail a unix script
i am basically DWH professional.
I want to write a script such that whenver the file size is greather than 0 the script fails
# 2  
Old 10-27-2008
man test
Code:
test -s file && exit

What DWH stand for Smilie
# 3  
Old 10-27-2008
data warehouse.

See also ETL - Extract Transform Load.
# 4  
Old 10-27-2008
hi
so above script will fail when file has size greater than 0 or it will search for existance of file
# 5  
Old 10-28-2008
Hammer & Screwdriver Looking at another way...
file11 will be empty, file12 will be non-blank

Code:
> touch file11
> echo "hello" >file12
> ls -l file11 file12
-rw-rw---- 1 xxx dp 0 Oct 28 05:41 file11
-rw-rw---- 1 xxx dp 6 Oct 28 05:42 file12

> if [ -s file11 ]; then echo "fail here, file bytes more than 0"; fi 

> if [ -s file12 ]; then echo "fail here, file bytes more than 0"; fi 
fail here, file bytes more than 0

>

# 6  
Old 10-28-2008
it useless
i dont think this reply helps nothing personal
i want the unix script to fail
i dont know know much i think unix has code like success code fail ode
i want fail code to come when file has record
any one god ideasa
# 7  
Old 10-28-2008
Code:
file=somefile
if [ ! -s $file ]
 then
  exit 1
 fi

will give exit code of 1 if file is greater than 0 bytes.


EDIT: Had to add the !
Last edited by Ikon; 10-28-2008 at 03:47 PM..
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