[ale] Awk quoting within shell scripts (was X window to foreground)

[List]

Escape the $ inside the awk script: ... awk "/$PID/ {print \$1}" 

... ought to fix it.  Otherwise the shell expands the $1.


Brian Pitts wrote:
> The wmctrl program is packaged for debian and ubuntu and seems pretty 
> cool. I was trying to write a script with it when I ran into some 
> issues with shell quoting and awk.
>
> #!/bin/sh
> for PID in $(pgrep $1)
> do
>   for WINDOW in $(wmctrl -lp | awk '/$PID/ {print $1}')
>   do
>     wmctrl -iR $WINDOW
>   done
> done
>
> The above shows what I tried to accomplish: given a process name as 
> the argument, for every PID it has raise the associated windows. Of 
> course it doesn't work since $PID isn't expanded within single-quotes. 
> However, I can't make awk work with double-quotes no matter how 
> creative I get. My workaround is
>
> wmctrl -lp | grep $PID | cut -d " " -f 1
>
> but I'd love to know how to do it right with awk. Suggestions?
>
> -Brian
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