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how to find a pattern from an external file in a directory containing multiple file recursively

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Top Forums Shell Programming and Scripting how to find a pattern from an external file in a directory containing multiple file recursively
# 8  
Old 10-22-2012
Quote:
Originally Posted by mukulverma2408
my "infile.txt" is getting empty every time i execute the script.
Is infile under the same directory tree as the directory tree root for find? In this case, find will also find this "control" file and thus, clobber it.
# 9  
Old 10-22-2012
A typo mistake that i've been doing..... got it right now.... thanks....

could you please also explain below line in brief:
Code:
fgrep -vf infile "$fname" > tmp.tmp

# 10  
Old 10-22-2012
This will look for lines, in the file named by $fname, not matching (-v) the strings (that's the use of fgrep) contained in the file (-f) infile, and redirect those lines to tmp.tmp.
This User Gave Thanks to elixir_sinari For This Post:
mukulverma2408
# 11  
Old 10-22-2012
Here is the explanation for code:-

Code:
#!/bin/bash
while read line   # For each enrollment number
do
    for i in $(find /tmp/myproject/content_to_remove/config/ -type f) # For each files in directory
    do
         DIR=`echo $i | sed 's|\(.*\)/.*|\1|'` # Get the path (dir) of file
         sed 's/'$line'//g' $i > ${DIR}/tmp; mv ${DIR}/tmp ${i} # Replace enrollment number and write the output to a tmp file, then rename tmp file back to original file.
    done
done < "/tmp/myproject/content_to_remove/infile.txt"
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