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test: argument

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# 1  
Old 09-23-2010
test: argument
Hi,

I having trouble with a test numeric value.

Here is my code :

Code:
nb_wanted=$(cat ${type_proto} | grep "#nbr_#branche#" | grep $branche | awk '{print $3}')

                if [ ! -s {$nb_wanted} ] ;
                then
                            nb_ready=$(cat ${fic_tmp_listeSTAF} | wc -l)
                            echo "-------------------------------------------" | tee -a ${fic_tmp_result}
                            echo "Numbers files wanted/ready : $nb_wanted / $nb_ready" | tee -a ${fic_tmp_result}

                else
                         nb_ready=$(cat ${fic_tmp_listeSTAF} | wc -l)
                         echo "-------------------------------------------" | tee -a ${fic_tmp_result}
                         echo "Numbers present files : $nb_ready" | tee -a ${fic_tmp_result}

               fi

$nb_wanted may have a numeric value or not. If it has a numeric value it should do the fisrt part (then). If it has no value it sould goes to the else part.

My problem is I can't deal with the test value command has the script goes each time on the first part (then) even if $nb_wanted has no numeric value...

Thanks for your help.
# 2  
Old 09-23-2010
try this,

Code:
isnumeric()
{
        result=`echo "$1" | tr -d '[[:digit:]]'`
        echo $result | awk '{print length}'
}

nb_wanted=$(cat ${type_proto} | grep "#nbr_#branche#" | grep $branche | awk '{print $3}')

                if [ $(isnumeric "$nb_wanted") -eq 0 ] ;
                then
                            nb_ready=$(cat ${fic_tmp_listeSTAF} | wc -l)
                            echo "-------------------------------------------" | tee -a ${fic_tmp_result}
                            echo "Numbers files wanted/ready : $nb_wanted / $nb_ready" | tee -a ${fic_tmp_result}

                else
                         nb_ready=$(cat ${fic_tmp_listeSTAF} | wc -l)
                         echo "-------------------------------------------" | tee -a ${fic_tmp_result}
                         echo "Numbers present files : $nb_ready" | tee -a ${fic_tmp_result}

               fi

Last edited by pravin27; 09-23-2010 at 10:15 AM..
# 3  
Old 09-23-2010
Dear pravin27,

Thanks for your quick reply. unfortunately this doesn't work. I am always going on the fisrt part of the condition (then).

If I replace the
Code:
-eq 0

that you given by
Code:
-gt 0

I am alwyas going on the last part of the condition (else).

That is really wired. I am on solaris 9 (ksh). If you have any idea ?

I am sure that the
Code:
$nb_wanted

has a numeric value when it sould have one, has I am also sure that it has no value at all when the file read as no value.

Thanks for all your help.

---------- Post updated at 08:03 AM ---------- Previous update was at 07:28 AM ----------

Dear all ,

thanks for your help my prblem is now solved.

Just for you :

The -n test requires that the string be quoted within the test brackets.

So I solved my problem with this :

Code:
if [ -n "$nb_attendu" ] ;

My mistake while I tried to use the test argument as string is not null was to use single brackets
Code:
[ ]

instead of the test brackets
Code:
" "

If this can help someone.

Cheers
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