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Shell Script to replace contents inside the files?

+1 vote
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I have thousands of html files inside a folder. I want to replace the filename present inside another files. Say for ex:- fileName: 'abcd1234.html' is found inside another file say file2.html. Then I want to remove the last 4 digits of the fileName i.e,. 'abcd1234.html' => 'abcd.htm'.

posted Jul 24, 2017 by Ramakrishnan

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1 Answer

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Using below command you can replace string inside file. Use the same code and implement desired script for multiple files.

  sed -i 's/original/new/g' file.txt

Explanation:

sed = Stream EDitor

-i = in-place (i.e. save back to the original file)

s = the substitute command

original = a regular expression describing the word to replace (or just the word itself)

new = the text to replace it with

g = global (i.e. replace all and not just the first occurrence)

file.txt = the file name
answer Jul 25, 2017 by Chirag Gangdev
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