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Add a timestamp to every STDOUT line

Add a timestamp to every STDOUT line I found this useful for debugging and just handy to have in the toolbox. Alias within your profile! Use: ./anyscript_you_choose | ./addtime [perl] #!/bin/perl -w # filename: ./addtime my($old)=select(STDOUT); $|=1; select(STDIN); $|=1; select ($old); while(<>) { my($sec,$min,$hour,$mday,$mon,$year,$wday,$ydat,$isdst)= localtime (time); printf “%02d:%02d:%4d %02d:%02d:%02d %s”,$mday,$mon+1,$year+1900,$hour,$min,$sec,$_; } [/perl]