Great, that did the trick! To bad I couldn't find this info myself, thanks a lot for your swift replies!
Kind regards, Erik On Tue, Dec 29, 2015 at 1:22 PM Bjørn Forsman <[email protected]> wrote: > On 29 December 2015 at 13:05, 4levels <[email protected]> wrote: > > Hi Nix Devs, > > > > I'm currently struggling to create a bash script within a nix multiline > > string, terminted by double single quotes. > > > > In the bash script, I need to put ${} statements but this is throwing > > compile errors (Undefined variable error). I've tried escaping the $ > sign > > with a backslash, but that doesn't help. I also tried escaping with a > > double backslash, same result. > > > > Any ideas? Should I rewrite the bash script to not use the ${ statements? > > > > Kind regards, > > > > code example > > s3Backup = name: > > '' > > ... > > DAILYLOGFILE="/var/log/duplicity/backup.log" > > ... > > # Clear the old daily log file > > cat /dev/null > ${DAILYLOGFILE} // -> compile error: undefined > > variable DAILYLOGFILE > > ... > > ''; > > Try with two single quotes in front of ${DAILYLOGFILE}: > > ''${DAILYLOGFILE} > > It is documented here, in the "simple values" section: > > http://nixos.org/nix/manual/#ssec-values > > Best regards, > Bjørn Forsman >
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