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You might check that "grep 13783" looks for the string 13783 - and that may be a substring of another process id.
I did a "ps -aef | grep $$ | grep -v grep | grep -v ps" to see what this looked like - and got two processes, one mine (1245), and one from another user (11245).
You can prevent that by doing better pattern search: grep " $pid " as the spaces will reduce that issue. It doesn't prevent the resulting string from being in some other field though.
To do that would require more of the effort to be put into the awk script. Let it do the search for the parent pid ( third field), as well as being able to remove the cmd 'ps' from the selected list.
You will not be able to list all the children "in one", because all the members of your chain (grep, awk, whatever) will be children and you need to exclude them, but actually there can be other grep/awk/whatever children which should be reported but will be ignored too. The best you can do is to save the output of the command ps and process the result afterward, or use a single awk which will exclude itself and print everything else.
ps -aef | awk -vmypid=$$ { look for $3 as parent pid and also look for aw }
You will not be able to list all the children "in one", because all the members of your chain (grep, awk, whatever) will be children and you need to exclude them, but actually there can be other grep/awk/whatever children which should be reported but will be ignored too. The best you can do is to save the output of the command ps and process the result afterward, or use a single awk which will exclude itself and print everything else.
ps -aef | awk -vmypid=$$ { look for $3 as parent pid and also look for aw }
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