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Using sed to replace tab with spaces

原文 2015-08-09 10:53:55 5 1 regex/ linux/ shell/ sed

I'm trying to replace the tab with 4 spaces, using sed, but it is not working.

Here is my code:

sed -i '{s/\t/ \{4\}/g}' filename

Any suggestion is appreciate.

1 answers

In sed replacement is not supposed to be a regex, so use:

sed -i.bak $'s/\t/    /g' filename

On gnu-sed even this will work:

sed -i.bak 's/\t/    /g' filename

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