10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
HI there
I am trying to understand Shell scripting to create my own, I am attempting a few examples can anyone tell me what this means?n=$( expr $n + 1)Tried looking on the internet, but just cannot find its anywhere :( .Help please (4 Replies)
Discussion started by: steve2015
4 Replies
2. Shell Programming and Scripting
Hi
I have bellow script:
t1=`cat node1.txt | grep thread1 | cut -f2 -d '-'`
t2=`cat node2.txt | grep thread2 | cut -f2 -d '-'`
t3=`cat node1_rcat.txt | grep thread1 | cut -f2 -d '-'`
t4=`cat node2_rcat.txt | grep thread2 | cut -f2 -d '-'`
if ]; then
echo "no restore" >> log.log... (6 Replies)
Discussion started by: primo102
6 Replies
3. UNIX for Dummies Questions & Answers
Hi,
I have a text file where i define all the inputs to my shell script:
IP=1.2.3.4
PC=1234
In the shell script, i am trying to read the input variables from the above mentioned text file:
#!/bin/bash
#usage
IP=expr cat /tmp/input.txt | grep IP| cut -d "=" -f2
PC=expr cat... (4 Replies)
Discussion started by: akarnya
4 Replies
4. Shell Programming and Scripting
Hi All,
I'm writing a shell script in KSH, where I want to store the filename, total record count and actual record count of all the source files. The source files reside in 4 different sub-folders under the same root folder.
Below is code:
#!/usr/bin/ksh... (6 Replies)
Discussion started by: jagari
6 Replies
5. UNIX for Dummies Questions & Answers
Hey there
i want to subtract the content from $b from $a. Each variable has got 18 values (normal numbers from 0 - 99).
How can i subtract them? I know i have to use the expr command, this is what i have till now:
a=`cat Tabelle.dat | awk {'print $4'} | awk -F: {'print $1'}`
b=`cat... (1 Reply)
Discussion started by: Mad van Bert
1 Replies
6. Shell Programming and Scripting
$ cat > mtable
#!/bin/sh
#
#Script to test for loop
#
#
if
then
echo "Error - Number missing form command line argument"
echo "Syntax : $0 number"
echo "Use to print multiplication table for given number"
exit 1
fi
n=$1
for i in 1 2 3 4 5 6 7 8 9 10
do
echo "$n * $i = `expr $i \*... (1 Reply)
Discussion started by: jackel7777
1 Replies
7. Shell Programming and Scripting
Hello Friends,
I have written a code on a Linux box, however, am getting issues while running it on a Solaris server. The issue with Sed command is sortd out, however, am still lokking for solutions with expr command. Here is the issue,
Linux :
bash-2.03$ expr match singh@test.com... (10 Replies)
Discussion started by: suffisandy
10 Replies
8. Shell Programming and Scripting
What is the difference between test expr VS .
For example :
if test 5 -eq 6
echo "Wrong"
and
if
echo "Wrong"
bot will give the same output as Wrong.
Now, what is the difference between these two? though they are producing the same result why we need two?
Any answer will be... (2 Replies)
Discussion started by: ashok.g
2 Replies
9. Red Hat
i am new to shell programming, currently using redhat linux of version
2.4.20-8.
i have problem in executing expr command in the following shell script
$ x=5
$ x='expr $x + 1'
$ echo $x
the output is displaying always
expr $x + 1
Pls guide me for the above query (3 Replies)
Discussion started by: saikumarm80
3 Replies
10. UNIX for Dummies Questions & Answers
Hello!
I want to evaluate some mathematical expressions in a script and I try to use 'expr' command.
Unfortunatally, when I have, for example,
expr 8.2 + 6
the result is 'expr: non-numeric argument'
Why ?
I work on SunOs 5.7.
Thanks in advance
Nathe (5 Replies)
Discussion started by: Nathe
5 Replies
