Answered by : kees-van-beilen

var string = "my name";
string = string.replace(/ /g,"_"); //returns my_name

Source : | Last Update : Fri, 01 May 20

Answered by : disgusted-dog-4zbn7my0i774

for file in *; do mv "$file" `echo $file | tr ' ' '_'` ; done

Source : https://stackoverflow.com/questions/1806868/linux-replacing-spaces-in-the-file-names | Last Update : Tue, 09 Mar 21

Answered by : shane-whitmire

find . -type f -name "* *" -exec bash -c 'mv "$0" "${0// /_}"' {} \;

Source : | Last Update : Mon, 25 Oct 21

Answered by : curious-cassowary-uc9cntyu6qaq

for file in *; do mv "$file" $(echo $file | tr ' ' '_') ; done

Source : | Last Update : Wed, 09 Feb 22

Answered by : you

string_with_underscore = "hello_world"
string_with_space = string_with_underscore.replace("_", " ")
print(string_with_space)

Source : | Last Update : Tue, 19 Sep 23

Answered by : itchy-impala-1929mlmkx0k0

@echo off
Setlocal enabledelayedexpansion
Set "Pattern= "
Set "Replace=_"
For %%a in (*.exe) Do ( Set "File=%%~a" Ren "%%a" "!File:%Pattern%=%Replace%!"
)
Pause&Exit

Source : https://stackoverflow.com/questions/20791264/how-to-replace-all-spaces-by-underscores-in-all-file-names-of-a-folder | Last Update : Tue, 02 Nov 21