Output a list to a filehandle

Daftar Isi

• print FILEHANDLE LIST

• print FILEHANDLE
• print LIST
• print

  Prints a string or a list of strings. Returns true if successful.FILEHANDLE may be a scalar variable containing the name of or a referenceto the filehandle, thus introducing one level of indirection. (NOTE: IfFILEHANDLE is a variable and the next token is a term, it may bemisinterpreted as an operator unless you interpose a + or putparentheses around the arguments.) If FILEHANDLE is omitted, prints to thelast selected (see select) output handle. If LIST is omitted, prints$_ to the currently selected output handle. To use FILEHANDLE alone toprint the content of $_ to it, you must use a real filehandle likeFH, not an indirect one like $fh. To set the default output handleto something other than STDOUT, use the select operation.

  The current value of $, (if any) is printed between each LIST item. Thecurrent value of $\ (if any) is printed after the entire LIST has beenprinted. Because print takes a LIST, anything in the LIST is evaluated inlist context, including any subroutines whose return lists you pass toprint. Be careful not to follow the print keyword with a leftparenthesis unless you want the corresponding right parenthesis toterminate the arguments to the print; put parentheses around all arguments(or interpose a +, but that doesn't look as good).

  If you're storing handles in an array or hash, or in general wheneveryou're using any expression more complex than a bareword handle or a plain,unsubscripted scalar variable to retrieve it, you will have to use a blockreturning the filehandle value instead, in which case the LIST may not beomitted:

   print { $files[$i] } "stuff\n";
   
   print { $OK ? STDOUT : STDERR } "stuff\n";
   

  Printing to a closed pipe or socket will generate a SIGPIPE signal. Seeperlipc for more on signal handling.