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# 8  
Old 03-21-2009
Quote:
Originally Posted by lapisguy
I have a requirement where if file size is 487 then ignore it otherwise put into e-mail script? I can do it using -s but it does only if file is empty...
any clue on this please???
Code:
FILE="path of your file"
FILESIZE="`du -b $FILE | sed 's:^\([0-9]*\)*[[:space:]]*.*:\1:'`" 

if [ "$FILESIZE" = "487" ];then
 echo "$FILE has size 487 bytes"
else
 echo "Some other filesize"
fi


In place of '=' you can use '-gt' '-lt' '-gte' '-lte' for greater than, less than, greater than or equal to, less than or equal to.
Last edited by wulfric; 03-21-2009 at 03:27 PM.. Reason: greater than etc comparison details
# 9  
Old 03-23-2009
Quote:
Originally Posted by wulfric
Code:
FILE="path of your file"
FILESIZE="`du -b $FILE | sed 's:^\([0-9]*\)*[[:space:]]*.*:\1:'`"


The -b option to du is not standard. The usual command to use is wc:

Code:
filesize=$( wc -c < "$FILE" )

Quote:
Code:
if [ "$FILESIZE" = "487" ];then
 echo "$FILE has size 487 bytes"
else
 echo "Some other filesize"
fi

In place of '=' you can use '-gt' '-lt' '-gte' '-lte' for greater than, less than, greater than or equal to, less than or equal to.

It's -le not -lte, and -ge not -gte.
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