troubleshooting Question

NAWK command help

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gaugeta asked on
Shell Scripting
5 Comments1 Solution377 ViewsLast Modified:
Hi experts...
I am a newbie to UNIX.I found an Nawk command and have no idea what it means.Can anyone explain this command bit by bit
nawk -F "|" '{i=1;while(i<=NF){gsub(/^[ \t]+|[ \t]+$/,"", $i); if (length($i)>0) printf("%s|",$i) ; if (i==NF){printf("\n")};  i++}}' $rej_list | sed -e 's/.$//' >! $rej_list_fmt
Please help...

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