[Discuss] sed question

[Noel Burton-Krahn]

This will delete all non-word (alphanumeric plus "_") characters from
a file named filename, and save a copy of the original file as
filename.bak

perl -pni.bak -e 's/[^\w]//gi' filename

You may want to use "[:print:]" instead of "\w" above to match all
printable characters.

~Noel


On 5/21/08, pw <p.willis at telus.net> wrote:
> Hello,
>
> Is there a way to use sed to remove all non-alphanumeric
> characters from a file.
>
> ie:
>
> sed -e "s/![a-zA-Z]&![0-9]/\ /g"
>
>
> Peter
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