github.com/benhoyt/goawk@v1.8.1/testdata/gawk/strnum2.awk (about)

     1  BEGIN {
     2  	split(" 1.234 ", f, "x")	# create a numeric string (strnum) value
     3  	OFMT = "%.1f"
     4  	CONVFMT = "%.2f"
     5  
     6  	# Check whether a strnum is displayed the same way before and
     7  	# after force_number is called. Also, should numeric strings
     8  	# be formatted with OFMT and CONVFMT or show the original string value?
     9  
    10  	print f[1]	# OFMT
    11  	print (f[1] "")	# CONVFMT
    12  
    13  	# force conversion to NUMBER if it has not happened already
    14  	x = f[1]+0
    15  
    16  	print f[1]	# OFMT
    17  	print (f[1] "")	# CONVFMT
    18  }