open (FILEHANDLE, "<&FILEHANDLE2"); : Open file « File « Perl






  1. Perl
  2. File
  3. Open file

open (FILEHANDLE, "<&FILEHANDLE2");

    


open FILEHANDLE, "<file.txt" or die "Can not open file";
open FILEHANDLE2, "<otherfile.txt" or die "Can not open file";

open (FILEHANDLE, "<&FILEHANDLE2");

while (<FILEHANDLE>) {
    print;
}








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15.Open file for writing
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18.Open for Reading
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20.Open for Writing
21.Open for writing first, then reading
22.Opening an input filter on a Win32 platform
23.Opening files and using file handles: open(filehandle, name);
24.Opens two files and copies one into another.
25.Checks whether an unopened file actually exists.
26.Input Filter: open(FILEHANDLE, COMMAND|);
27.Sending the Output of a Filter to a File: open(STDOUT, ">/dev/tty");
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