how to write a code for 20000 lines to replace space with comma in a file

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arun 36985
arrunav 25871
elarital 48734
depaal 43212
sujan 23467

my data is up to 2000+ lines it is in notepad as shown in above for that data how can i replace space with comma?
arun,36985
arrunav,25871
elarital,48734
depaal,43212
sujan,23467

Posted 18-Feb-14 23:06pm

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OriginalGriff · Answer 1 · 2014-02-18T23:29:00

Solution 1

Try:

C#

string data = File.ReadAllText(path);
data = data.Replace(" ", ",");
File.WriteAllText(path, data);

[edit]Forgot the data! :doh:[/edit]

Posted 18-Feb-14 23:29pm

OriginalGriff

Updated 18-Feb-14 23:33pm

v2

Comments

Matt T Heffron 19-Feb-14 13:18pm

Good, but OP tagged with Perl!

Matt T Heffron · Answer 2 · 2014-02-19T07:17:00

Solution 2

At a unix-like shell (e.g., Cygwin):
perl -pi.bak -e "s/ /,/g;" filename_to_process

In a Command Prompt (DOS shell) assuming the location of perl.exe is on the PATH:
perl.exe -pi.bak -e "s/ /,/g;" filename_to_process
ought to do it...

Posted 19-Feb-14 7:17am

Matt T Heffron