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what is the slickest way to programatically read from stdin or an input file (if provided) in perl? for more complex and robust solution check out one of the modules on cpan. for example io::prompter. secure input. the three special file handles are always open stdin, stdout and stderr. example: using stdin to return the undefined value which perl equates to false and caused the while loop to end., perl while stdin template site stackoverflow com prmd ivsn, perl while stdin template site stackoverflow com prmd ivsn, perl chomp, perl read from stdin pipe, perl one liner read from stdin.
in order to indicate the ending of inputs, press ctrl-d in linux systems whereas ctrl-z in windows system. the example 6.1 input from stdin. reading from standard input (via the perl filehandle called stdin ) is easy. we’ve been doing it so $a=
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