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How to test whether the files are existed or not

This is a discussion on How to test whether the files are existed or not within the Unix/Linux forums, part of the Operating Systems category; How to test whether the files are existed or not in particular folder from required list. If any file missed need to send mail with list of files missed and ...

Geeks Talk > Operating Systems > Unix/Linux How to test whether the files are existed or not

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#1 (permalink)   05-13-2007

Geek_Guest Expert Member   Join Date: Feb 2007 Posts: 1,279 Thanks: 0 Thanked 164 Times in 138 Posts

How to test whether the files are existed or not How to test whether the files are existed or not in particular folder from required list. If any file missed need to send mail with list of files missed and suspend the process some time Thanks in advance Suresh Question asked by visitor suresh

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#2 (permalink)   05-15-2007

md.jahidanwar Junior Member   Join Date: Apr 2007 Location: Balgalore Posts: 5 Thanks: 0 Thanked 1 Time in 1 Post

Re: How to test whether the files are existed or not Hi Suresh , Whenever we will create a file using Cat Coommand,or ed command,or Vi file name............... We check whether it is create successfully or not using the command echo $? if returns 0 then it create successfully if returns non zero value not create ..... Regards Jahid

#3 (permalink)   05-15-2007

rpgubba Junior Member   Join Date: Feb 2007 Posts: 15 Thanks: 2 Thanked 1 Time in 1 Post

Re: How to test whether the files are existed or not The filename is written in place of "?". echo $? Can you please give us some example.

#4 (permalink)   05-15-2007

Barbie Expert Member   Join Date: Dec 2006 Location: Chennai Posts: 197 Thanks: 2 Thanked 16 Times in 14 Posts

Re: How to test whether the files are existed or not -s will checks for the presence of the file. if [ -s $file ]; then #file found else #file not found fi The variable $file should have the file name with location as /user/barbie/sample.txt.

#5 (permalink)   05-16-2007

md.jahidanwar Junior Member   Join Date: Apr 2007 Location: Balgalore Posts: 5 Thanks: 0 Thanked 1 Time in 1 Post

Re: How to test whether the files are existed or not Dear Rpgubba, Q. As u told echo $? ,If u want to write a filename instead of "?" That means u write like echo $filename It is not an error but it is take as a variable not a take filename. For instance echo $filename hello how ru the o/p is hello how ru

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#6 (permalink)   05-28-2007

prakash.kudrekar Contributing Member   Join Date: Apr 2007 Location: Bangalore Posts: 44 Thanks: 6 Thanked 7 Times in 6 Posts

Re: How to test whether the files are existed or not I thnk the command goes like this #echo $filename where filename is the one which u want to search for??? regards Prakash

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