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Masatake YAMATO authored
I frequency use pidof command with strace system call tracer. strace can trace MULTIPLE processes specified with "-p $PID" arguments like: strace -p 1 -p 1030 -p 3043 Sometimes I want to do as following strace -p $(pidof httpd) However, above command line doesn't work because -p option is needed for specifying a pid. pidof uses a whitespace as a separator. For passing the output to strace, the separator should be replaced with ' -p '. This maybe not a special to my use case. This commit introduces -S option that allows a user to specify a separator the one wants. $ ./pidof bash ./pidof bash 24624 18790 12786 11898 11546 10766 7654 5095 $ ./pidof -S ',' bash ./pidof -S ',' bash 24624,18790,12786,11898,11546,10766,7654,5095 $ ./pidof -S '-p ' bash ./pidof -S '-p ' bash 24624-p 18790-p 12786-p 11898-p 11546-p 10766-p 7654-p 5095 $ ./pidof -S ' -p ' bash ./pidof -S ' -p ' bash 24624 -p 18790 -p 12786 -p 11898 -p 11546 -p 10766 -p 7654 -p 5095 $ strace -p $(./pidof -S ' -p ' bash) strace -p $(./pidof -S ' -p ' bash) strace: Process 24624 attached strace: Process 18790 attached strace: Process 12786 attached ... Signed-off-by: Masatake YAMATO <yamato@redhat.com>
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