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Shell Programming and Scripting

redirection output in two files

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# 1  
Old 07-21-2009
redirection output in two files
I want to redirect output of my script to two logfiles.
I tried this :
./run.sh -c APP | tee >(grep " " > AppLogs.log) >(grep "XYZ" > xyz.log) >dev/null
but this does not solve my purpose because logfile xyz.log remains empty untill i stop my script, i want both files, AppLogs.log and xyz.log, to grow together.
someone plz help me doing this.
# 2  
Old 07-21-2009
Code:
echo "this is log" | tee -a file1 file2

# 3  
Old 07-21-2009
Quote:
Originally Posted by anchal_khare
Code:
echo "this is log" | tee -a file1 file2

i am using grep to filter data, in this case file1 and file2 will contain same data..
# 4  
Old 07-21-2009
You could try something like this:

Code:
./run.sh -c APP | 
  awk '/ / { print > "AppLogs.log" }
       /XYZ/ { print > "xyz.log"  }
       '

# 5  
Old 07-21-2009
Previous awk is good and if your need both "grep" can be true in same line, then previous do it. Awk is excellent when you have group of rule and need to make every rule or only some / input record.

This shell example do only one of cases. (case is "multi grep")

Code:
> xyz.log
> AppLogs.log

./run.sh -c APP | while read line
do
        case "$line" in
                *XYZ*) echo "$line" >>  xyz.log ;;
                *" "*)   echo "$line" >> AppLogs.log ;;
        esac
done

Ex. online logfile tracking is easy with this method
tail -f logfile | while read line ...
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