How to resolve the algorithm Globally replace text in several files step by step in the Julia programming language
Published on 22 June 2024 08:30 PM
How to resolve the algorithm Globally replace text in several files step by step in the Julia programming language
Table of Contents
Problem Statement
Replace every occurring instance of a piece of text in a group of text files with another one.
For this task we want to replace the text "Goodbye London!" with "Hello New York!" for a list of files.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Globally replace text in several files step by step in the Julia programming language
This Julia code opens two files (f1.txt
and f2.txt
) and replaces the string Goodbye London!
with Hello New York!
in the files.
- The
filenames
variable is a list of the two file names. - The
for
loop iterates over the list of file names. - For each file name, the
read
function is used to read the file contents into a string variabletxt
. - The
open
function is used to open the file for writing. Thew
argument specifies that the file should be opened for writing. Thedo
block is used to execute the write operation. - Inside the
do
block, thewrite
function is used to write the modified stringtxt
to the file. Thereplace
function is used to replace the stringGoodbye London!
withHello New York!
in thetxt
string. - After the
do
block ends, the file is closed.
Source code in the julia programming language
filenames = ["f1.txt", "f2.txt"]
for filename in filenames
txt = read(filename, String)
open(filename, "w") do f
write(f, replace(txt, "Goodbye London!" => "Hello New York!"))
end
end
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