Re: [Gnuplot-info] set xrange from variable

[Thomas S. <t.s...@fz...>]

you get what you request ;-)

`date -d "-$(($(date +%d)-1)) days" +%Y-%m-%d`
gives
2009-11-01

and

FIRST_DAY=2009-11-01
is
2009 - 11 - 1 = 1997

you need to make clear that you expect a string:
FIRST_DAY=system('date -d "-$(($(date +%d)-1)) days" +%Y-%m-%d')
FIRST_DAY="`date -d "-$(($(date +%d)-1)) days" +%Y-%m-%d`"


FlavioB wrote:
> 
>> FIRST_DAY=`date -d "-$(($(date +%d)-1)) days" +%Y-%m-%d` 
>> LAST_DAY=`date -d "+1 month -$(date +%d) days" +%Y-%m-%d`
> 
> I just discovered that it doesn't assign correctly the value I want, in
> gnuplot:
> 
> gnuplot> FIRST_DAY=`date -d "-$(($(date +%d)-1)) days" +%Y-%m-%d`
> gnuplot> print FIRST_DAY
> 1997
> 
> While at the usual bash prompt I get:
> 
> storebox:~# date -d "-$(($(date +%d)-1)) days" +%Y-%m-%d
> 2009-11-01
> 
> How come?
> 
> Thanks,
> Flavio Boniforti
> 
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