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paste -d ' ' file1 file2

Try: awk '!a[$0]&&/^[0-9]/{a[$0]=1;print;getline;print;getline;print}' file

Try:
echo "u_sA9e-u" | grep -E '([[:space:]]|^)[a-z_][a-z0-9_-]*[$]?([[:space:]]|$)'

please use the "report post" function on top right of the post you want to have removed. thank you...

This was an excellent thread. I enjoyed reading teresaejunior and remi75 working together to solve this problem.

Excellent team work on a very tricky problem!

:) a very busy server , nice :) (adsl/atm , firewall ...wireless... :) )
anyway, i love challeges, if you have enought patience we could try another thing :
compile under root please .
before...

hmm, ok

Can you please get us your lsmod ?

But if the memory gets maxed out only when you run a compiler, it can be only it .

I ll see what your command line (that generates the compiling...

file=`ls -t | head -1`
if [ -s $file ]
then
do_something_because_file_is_not_empty
fi

ls -t produces a list of filenames, sorted by modification time, newest first. head -1 picks the first...

0,5,10,15,20,25,30,35,40,45,50,55 19 * * * /path/to/myscript.sh

Free the file descriptor back to the system and then unlink it.

Your request sounded like a homework problem.

Here is a simple programme that unlinks the file named on the command line. You should be able to adapt it to your needs.


#include <unistd.h>...

This, in my opinion, is one of the serious shortcomings of bash. When piping the output of a command to a while loop, the contents of the while are executed in a forked process and thus variables...