1. Shell Programming and Scripting

Hi everybody, I want to know how can i use the command 'expr' to manipulate float number , i have a shell bash and when (for example) i do: y1=`expr \( 1/ 16 \)` it returns 0 and if i do y1=`expr \( 1.6 / 16 \)` it returns non numeric argument. is there another command for mathematic... (4 Replies)

2. Shell Programming and Scripting

I need to accept a number of arguments at command line and print it in reverse order i use eval `echo x=$1` to capture the argument #! /bin/sh counter=0 while do eval `echo x=$1` arg$counter=$x counter=`expr $counter + 1` shift done but the error keeps... (1 Reply)

3. Shell Programming and Scripting

Hi all, In KSH, I have got an error message like, "expr: Integer argument too large" I received this error message when I mutiply two large values and displaying the resultant output. Is there any other altenative way to go with too large values? Kindly let me know asap... Thanks in... (12 Replies)

4. Shell Programming and Scripting

i got a file called Marks The format of Marks is: 12345678 5 7 23456789 7 9 3 What can i do with a loop, read expr and echo command to produce a new file like below: 12345678:12 23456789:20 and also when we adding fewer than 3 value with expr, we need to change any null value for... (13 Replies)

5. Shell Programming and Scripting

Hi all, i am facing the error "expr: non-numeric argument" when i use the expr command. Following is the expression which i want to execute HR=$(echo `date +%H`) MIN=$(echo `date +%M`) TOT_MIN=`expr "$HR" \* 60+$MIN` | bc echo $TOT_MIN Here I am being reported with the error expr:... (6 Replies)

6. Shell Programming and Scripting

Hi, I am trying to execute a simple script as below to compare a value from a file and copy that line based on a condition. while read line do code_check = `expr substr "$line" 6 1` if ; then echo "${line}" >> /temp/bill/push_updated.dat else echo "line ignored" fi done <... (8 Replies)

7. Shell Programming and Scripting

hi, how to I do this? i="4.000" if ; then echo "smaller" fi how do I convert the "4.000" to 4? Thanks! (4 Replies)

8. Shell Programming and Scripting

Hi, I am new to shell/bash script. I am trying to run below script #!/bin/bash a=0 b=10 if then echo "a is equal to be" else echo "a is not equal to be" fi MAX=10 while do echo $a a='expr $a + 1' done (1 Reply)

9. Shell Programming and Scripting

This is my code.... It works correct, but does not work with 4 and 5. My program is about finding average. so when i run 4 5 it gives me error "expr: non-integer argument". But when i say sh average 45 67 it works. Whats wrong?how to fix it? sum=0 n=0 if then for i in $* do if ... (2 Replies)

10. Shell Programming and Scripting

Hi, I tried to look up the issue i'm experiencing, but i'm confused what's wrong with my script. After executing the script I'm getting the following error expr: non-numeric argument syntax error on line 1, teletype After some research, it seems that the problem relates to bc. I have... (1 Reply)