xinyou yan wrote:
> thank you !
>
> As you write . It works .
> I thought it was captured by shell. In fact the error in cods.
> I am just a student .
> Someone told me some skills are import . However , I study it and
> find I can't use it right now .
> That lead careless .
>
> May be we ne
On 07Mar2011 16:01, xinyou yan wrote:
| thank you !
|
| As you write . It works .
| I thought it was captured by shell. In fact the error in cods.
Tiny errors like this can be hard to see.
You can find running scripts like this:
sh -x your_script.sh ...
will show you what commands are actua
thank you !
As you write . It works .
I thought it was captured by shell. In fact the error in cods.
I am just a student .
Someone told me some skills are import . However , I study it and
find I can't use it right now .
That lead careless .
May be we need to find interest in programming .
On 07Mar2011 10:17, xinyou yan wrote:
| I want to know when i use
|
| trap 'rm -f /tmp/my_tmp_file_$$' INT
|
| why shell itself capture the single and she shellscript exit.
But it doesn't!
The shell captures the signal, runs the rm command, and proceeds.
| Here is the code from << Beginn
I want to know when i use
trap 'rm -f /tmp/my_tmp_file_$$' INT
why shell itself capture the single and she shellscript exit.
Here is the code from << Beginning Programming>>
#!/bin/sh
trap 'rm -f /tmp/my_tmp_file_$$' INT
echo creating file /tmp/my_tmp_file_$$
date > /tmp/my_tmp_file_$$
