/usr/share/awk/ftrans.awk is in gawk 1:4.1.3+dfsg-0.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | # ftrans.awk --- handle datafile transitions
#
# user supplies beginfile() and endfile() functions
#
# Arnold Robbins, arnold@skeeve.com, Public Domain
# November 1992
FNR == 1 {
if (_filename_ != "")
endfile(_filename_)
_filename_ = FILENAME
beginfile(FILENAME)
}
END { endfile(_filename_) }
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