perl empty the file content
Method 1:
open $filename, '>', 'file.txt';
Method 2:
truncate 'file.txt', 0;
Method 3:
`perl -pi -e 's/.*//s' file.txt`;
Method 4:
system(": > file.txt");
Method 5:
system(" > file.txt");
Method 6:
readpipe("cat /dev/null > file.txt");
Method 7:
readpipe("cp /dev/null file.txt");
open $filename, '>', 'file.txt';
Method 2:
truncate 'file.txt', 0;
Method 3:
`perl -pi -e 's/.*//s' file.txt`;
Method 4:
system(": > file.txt");
Method 5:
system(" > file.txt");
Method 6:
readpipe("cat /dev/null > file.txt");
Method 7:
readpipe("cp /dev/null file.txt");
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