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Old 02-11-2010, 06:45 AM   #1
podariu
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command grep

hi
im a beginner with linux and i want to know if there is a a way like the following command returns 0 for true , 1 for false and 2 for an error and not returning what is usually returnd the grep command

grep bla out.txt
 
Old 02-11-2010, 06:53 AM   #2
colucix
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Hi and welcome to LinuxQuestions!

Check the man page of grep and look for the -q (quiet) option.
 
Old 02-11-2010, 07:00 AM   #3
backtolinux
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in unix, 0 said succesfull execution, others than 0 said failed execution.

After issuing your command, get the values by "echo $?", the value returned by the last command.
 
Old 02-11-2010, 07:15 AM   #4
podariu
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Smile
it works
thanks guys
 
  


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