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I would like to replace the empty space between each and every field with comma delimiter.Could someone let me know how can I do this.I tried the below command but it doesn't work.thanks.
My command: :%s//,/ 53 51097 310780 1 56 260 1925 1 68 51282 278770 1 77 46903 281485 1 82 475 2600 1 84 433 3395 1 96 212 1545 1 163 373819 1006375 1 204 36917 117195 1 
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Simple SED commands are: sed s/ */ /g This will replace any number of spaces with a single space. sed s/ $// This will replace any single space at the end of the line with nothing. sed s/ /,/g This will replace any single space with a single comma.
You need to escape the special characters with a backslash \ in front of the special character. For your case, escape every special character with backslash \ .
If you are talking about sed, this works:
sed -e "s/ /,/g" < a.txt In vim, use same regex to replace:
s/ /,/g Inside vim, you want to type when in normal (command) mode:
:%s/ /,/g On the terminal prompt, you can use sed to perform this on a file:
sed -i 's/\ /,/g' input_file Note: the -i option to sed means "in-place edit", as in that it will modify the input file.
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