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flush.pl added #1

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flush.pl added
pat10 Sep 8, 2017
d890594
Merge pull request #1 from pat10/pat10-flush-included
pat10 Sep 8, 2017
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32 changes: 32 additions & 0 deletions flush.pl
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Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
#
# This library is no longer being maintained, and is included for backward
# compatibility with Perl 4 programs which may require it.
#
# In particular, this should not be used as an example of modern Perl
# programming techniques.
#
# Suggested alternative: IO::Handle
#
;# Usage: &flush(FILEHANDLE)
;# flushes the named filehandle

;# Usage: &printflush(FILEHANDLE, "prompt: ")
;# prints arguments and flushes filehandle

sub flush {
local($old) = select(shift);
$| = 1;
print "";
$| = 0;
select($old);
}

sub printflush {
local($old) = select(shift);
$| = 1;
print @_;
$| = 0;
select($old);
}

1;