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sh: +: not found

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# 1  
Old 11-11-2009
sh: +: not found
hello all,

In a perl script I am writing,
Code:
$dd =`expr $dd + 1`;

for adding $dd, but getting following error:

sh: +: not found

Please help!!
gentleDean
# 2  
Old 11-11-2009
are you sure you have some integer value in $dd ?

alternatively, you can do the arithmetic calculation in perl itself ( if this only is the real problem) instead calling shell.

by the way, I am getting the correct o/p with the same command.

Code:
bash$ perl -e '$dd = 5;$dd = `expr $dd + 1`; print $dd;'  
6

# 3  
Old 11-11-2009
Thanks anchal ... after chomping $dd, I got it correct...
Code:
chomp $dd;
my $dd = `expr ${dd} + 1`;

gentleDean
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