Hi,
When I give the following
$ ps -ef | grep `echo $var1` | grep -v "grep `echo $var1`" | awk '{print $3}' | grep -v `echo $var1
80892
But when I give the following (made as command substitution) , I get error
$var2=`ps -ef | grep `echo $var1` | grep -v "grep `echo $var1`" | awk '{print $3}' | grep -v `echo $var1``
ksh: 0403-057 Syntax error: `|' is not expected.
Similarly , when I give the following
$ps -ef | grep `echo $var2` | grep -v "echo $var1" | grep -e "-ksh" | wc -l
1
But when I give the following (made as command substitution) , I get error
echo `ps -ef | grep `echo $var2` | grep -v "echo $var1" | grep -e "-ksh" | wc -l`
Usage: grep [-E|-F] [-c|-l|-q] [-insvxbhwy] [-p[parasep]] -e pattern_list...
[-f pattern_file...] [file...]
Usage: grep [-E|-F] [-c|-l|-q] [-insvxbhwy] [-p[parasep]] [-e pattern_list...]
-f pattern_file... [file...]
Usage: grep [-E|-F] [-c|-l|-q] [-insvxbhwy] [-p[parasep]] pattern_list [file...]
ksh: 0403-057 Syntax error: `|' is not expected.
Where am i going wrong...
Pls help...
Thanks