Search Results

You can query the number of the shell's background jobs with the jobs command.
#!/bin/ksh
maxjobs=3
while read line <&3
do
while [ `jobs | wc -l` -ge $maxjobs ]
do
sleep 5;
done
...

awk '{a[$1]++;b[$1]=$0;next}END{for(i in a){ if(a[i]==1) print b[i] }}' file

It was not my intention to insult to demean your efforts. I hid your initial post as I wanted to determine if the thread was related to homework, and hadn't done that by the time you reposted. I...