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/^[^ ]/ {
# FILE
# b2l.awk - concatenates a block of text to a single line.
#
# FUNCTION
# Takes an input file which consists of one or more blocks of the
# following format:
#
# <subject> <text>
# <0 or more lines of additional text beginning with at least one blank>
#
# and outputs each of these block as a single line of text.
if (subcnt != 0)
printf("%s %s\n",subject,text);
subject = $1;
text = substr($0,length($1)+2,length($0)-length($1)-1);
subcnt++;
}
/^ / {text = text $0}
END {printf("%s %s\n",subject,text)}
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