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Find and replace the path value in files, pattern is not full known.

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Top Forums Shell Programming and Scripting Find and replace the path value in files, pattern is not full known.
# 1  
Old 06-04-2018
Find and replace the path value in files, pattern is not full known.
Hi,

I need to do find and replace, but the pattern is not full known.

for example,
my file has /proj/app-d1/sun or /data/site-d1/conf
here app-d1 and site-d1 is not constant. It may be different in different files. common part is /proj/xx/sun and /data/xxx/conf

i want to find where ever /proj/xxx/sun or /data/xxx/conf present and replace it with the path value i desire which i have constant values. please suggest how to do this.

Below is the one line which has the patterns to find, i want to replace it with differnt path. here cesite1-d1 is not constant, it may be different in other files.
Code:
if [ -f /data/cesite1-d1/conf/source.txt]; then . /data/cesite1-d1/conf/source.txt; fi




Moderator's Comments:
Mod Comment Please use CODE tags as required by forum rules!
Last edited by RudiC; 06-04-2018 at 03:49 PM.. Reason: Added CODE tags.
# 2  
Old 06-04-2018
Would

Code:
ls -d data/*/conf | while read PN; do [ -f $PN/source.txt ] && . $PN/source.txt; done

(untested) do what you need? If not, supply more details.
# 3  
Old 06-04-2018
Let me explain in different way.

i have two files, a.txt, b.txt

Code:
 more a.txt

root=/proj/app-d1/sun
data=/data/site-d1/conf

more b.txt

root=/proj/app-d2/sun
data=/data/index-i1/conf

now after find and replace, i need a.txt and b.txt to be like this.

Code:
more a.txt

root=/proj/app-i1/sun
data=/data/site-i1/conf

more b.txt

root=/proj/app-i1/sun
data=/data/site-i1/conf


though originally, a.txt and b.txt has different path values, after find and replace it is same.


Moderator's Comments:
Mod Comment Seriously: Please use CODE tags as required by forum rules!
Last edited by RudiC; 06-04-2018 at 04:21 PM.. Reason: Added CODE tags.
# 4  
Old 06-04-2018
And what would your code snippet in post#1 have done to those files a.txt and b.txt?
# 5  
Old 06-04-2018
No it is not my code snippet, it is part of my a.txt. i just copied it from the file.sorry for the confusion. ignore that if statement code.
# 6  
Old 06-04-2018
How far would this get you:
Code:
awk '
        {FN = FILENAME ".TMP"
         if (FN != FNO) close (FNO)
         FNO = FN
         sub ("/proj/[^/]*/sun", "/proj/app-i1/sun")
         sub ("/data/[^/]*/conf", "/data/site-i1/conf")
         print  >  FN
        }
' *.txt
for FN in *.TMP; do mv $FN ${FN%.TMP}; done

This User Gave Thanks to RudiC For This Post:
rbalaj16
# 7  
Old 06-11-2018
Hi RudiC,

This works. Thanks a ton.
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