How to use perl to determine whether a file exists

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Use perl to determine whether a file exists

Use perl to determine whether a file exists:

#! / usr/bin/perl-w

My $file = "/ home/zl/study/perl/fileexist/t.txt"

If (- e $file) {

Print "t.txt exist.\ n"

} else {

Print "do not exist.\ n"

}

After judging the success, you can continue to do other processing on the file.

If you determine whether the directory exists, you need to use-d.

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