Thanks for all your answers!
I settled for the simplest of them all, by single quoting the shell
variables:
> perl -wne 'if (/'$FILENAME'/) { s/\d{4}-\d{2}-\d{2}/'$UPDATED'/;print;
> }' updated_files.txt
The reason I use bash here and not only good old perl is that the bash
script is much bigger and does other things as well. I wanted a simple
'sed' command but couldn't make it work so I used that command-line perl
instead.
Regards,
Marcus
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