Maybe you're not willing to use bc... but here it goes anyway.
Use:
OUR_UTC_MINS=$(echo $OUR_MINS - $OUR_TZ_OSET_MINS | bc)
And it works. No idea on how to solve it with bash constructs though...
ps: apart from using a regex and removing leading zeroes.
On 9/20/05, Howard Lowndes <[EMAIL PROTECTED]> wrote:
> I have put together a bash script that does a bit of maths, but I keep
> getting this odd message:
>
> script.sh: line 68: 09: value too great for base (error token is "09")
>
> The specific line 68 (last below), and the immediately preceding lines,
> in the script read:
>
> OUR_TZ_OSET="$(date +%z)"
> OUR_TZ_OSET_MINS=$((${OUR_TZ_OSET:3:2}))
> OUR_TZ_OSET_HRS=$((${OUR_TZ_OSET:1:2}))
>
> OUR_MINS="$(date +%M)"
> OUR_HRS="$(date +%H)"
> OUR_DATE="$(date +%d)"
>
> OUR_UTC_MINS=$(($OUR_MINS-$OUR_TZ_OSET_MINS))
>
> This problem only seems to occur with some values of $OUR_MINS which
> have a leading "0" (specifically "09" in this instance), when the
> leading digit is other than that ("1" thru "5") there appears to be no
> problem.
>
> Any clues? I really do need to retain the leading "0" if possible when
> it exists.
>
> --
> Howard.
> LANNet Computing Associates - Your Linux people <http://lannet.com.au>
> --
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Julio C. Ody
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