Hi there,
I am using AIX and trying to search and replace a string with another string in multiple files in different directories.
I wanted to search replace in steps so I don't change all of the instance anywhere in the server at once, minimizing impact.
STEP 1:
--------
I first searched all the server for the location of the string in every directory/subdirectory/file, and then send the output to a file Main_fpaths.txt (see below).
I then selected one of the directories that was common for files (/home/FLOC/), and then created another file fpaths.txt as a source to search and replace so I can control the change.
STEP 2:
--------
Next, I want to search and replace the string in all the files in fpaths.txt. Once it is successful, I will take next chunk of directories/subdirectories from Main_fpaths.txt and process them.
Each of the .ksh file in the fpath.txt contains a text 'old string', and I want to replace it with 'new string'.
I wanted to do loop on the fpaths.txt, go to first line, find last character "/" and use the string from column 1 to last column position as a path. and then use this fpath to perform sed like below:
I am new to Unix and may not have it right. Is there a better way to do this? I understand I don't have "-i" switch in AIX so I have to create temp file and then move temp file to original file.
Code:
while read line
do
var1=`echo $line`
end=${var1##*/}
#echo "Last / is in column $((${#var1} - ${#end}))"
lastcol=$((${#var1} - ${#end}))
#echo $lastcol
#fileloc=$var1| cut -c1-$lastcol
filespath=$var1
fileloc=echo $filespath |cut -c1-$lastcol
done < /home/myloc/Main_fpaths.txt
-----------------------------------------------------------------
This is the statement I used to create Main_fpaths.txt file.
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04-10-2014
