10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am trying to write a shell script which takes an input file as an arguement in the terminal e.g. bash shellscriptname.sh input.txt. I would like for the file to be read line by line each time checking if the .txt file contains certain words or letters(validating the syntax). If the line being... (1 Reply)
Discussion started by: Gurdza32
1 Replies
2. Shell Programming and Scripting
pattern1=book
{
x=1
eval echo \$pattern$x
}
book (this is the output)
But when I assign a variable to the output of the eval it doesn't work unless I prefix 2 times backslash before $ as shown below.
{
a=`eval echo \\$pattern$x`
echo $a
}
book
Why here twice "\" has to be... (3 Replies)
Discussion started by: ravisingh
3 Replies
3. Shell Programming and Scripting
Hi all,
some small script with eval turned me to crazy.
my OS is linux
Linux s10-1310 2.6.16.53-0.8.PTF.434477.3.TDC.0-smp #1 SMP Fri Aug 31 06:07:27 PDT 2007 x86_64 x86_64 x86_64 GNU/Linux
below script works well
#!/bin/bash
eval ssh remotehost date
eval ssh remotehost ls
below... (1 Reply)
Discussion started by: summer_cherry
1 Replies
4. Shell Programming and Scripting
Hi Gurus,
I am having 2 parameters as below
parm1=value1
parm2=parm1
I want to evaluate parm1 value using eval echo \$$parm2 and later i want to assign this value to other variable which i will be using in if statement like :
if ]; then
do this.......
fi
could you please suggest... (5 Replies)
Discussion started by: k_vikash
5 Replies
5. Shell Programming and Scripting
Hi,
i have an issue with eval and variable assignment.
1) i have a date value in a variable and that date is part of a filename,
var1=20100331
file1=${var1}-D1-0092.xml.zip
file2=${var2}-D2-0092.xml.zip
file3=${var3}-D3-0092.xml.zip
i am passing the above variables to a script via... (11 Replies)
Discussion started by: mohanpadamata
11 Replies
6. Shell Programming and Scripting
Hello,
I have a script that does an scp to a server and then gets the number of process running on that server, the o/P should be stored in a variable for further processing
eval `echo "ssh -q $Infa_user@$host 'csh -c $CMD '"`
where
CMD="ps -ef | grep -i ${INFA_REPO} | grep -v grep | wc... (2 Replies)
Discussion started by: amit1_x
2 Replies
7. Shell Programming and Scripting
Why can't I do this?
eval "TEST=5;echo $TEST;";
THIS WORKS!!
TEST=5;echo $TEST; (2 Replies)
Discussion started by: blasto333
2 Replies
8. Shell Programming and Scripting
Im facing problem in assigning value of eval array variable as normal variable..
x=0
eval DATA${x}="FJSVcpcu"
x=`expr $x + 1`
eval DATA${x}="FJSVcsr"
if x=0, type -> eval echo \$DATA$x , its give me FJSVcpcu
i want assign this value into an variable as
variable=`eval echo... (3 Replies)
Discussion started by: neruppu
3 Replies
9. UNIX for Advanced & Expert Users
Hi,
I have a text file in which , I have contents like
t1=abc
t2=xyz
t3=awe
......
I am able to read contents of these variables in a script by
. /temp.txt
echo $t1
Now, what my requirement is something like this
a="t"
i=1
echo $a$i --->this is displaying t1 (3 Replies)
Discussion started by: kaaakrishna
3 Replies
10. Shell Programming and Scripting
Hi,
Is there any way that I can eval the following -
eval abc.csv=def.csv
I am getting the - bash: command not found error.
thanks. (3 Replies)
Discussion started by: ttshell
3 Replies
