## Simple arithmetic operation

Simple arithmetic operation
# 1
04-19-2004
Simple arithmetic operation

I have no idea why I can't get this to work, if anybody can help i would appreciate it.

#!/bin/bash
x=`cat counter.txt | wc -l`
y= '\$x / 7'

# 2
04-19-2004
Re: Simple arithmetic operation

Quote:
I have no idea why I can't get this to work, if anybody can help i would appreciate it.

#!/bin/bash
x=`cat counter.txt | wc -l`
y= '\$x / 7'

You may go over bash's syntax.
1. It is better to use \$() instead of `` in bash, a modern shell.
2. The syntax of Arithmetic expression in Bash: \$(())
y=\$((\$x / 7))
3. No "printf" command
4. Use "sh" instead of "bash", the former is usually a softlink to "bash"

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# 3
04-19-2004
Try this :
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