Field Name/Start Position/End Position/Length/Format
Record Type/1/1/1/Alpha
Sending system/2/11/10/Alpha
Related File/12/39/28/Alpha
Date/40/47/8/Numeric
Time/48/53/6/Numeric
a way .... #!/bin/ksh
awk ' BEGIN { print "Field Name/Start Position/End Position/Length/Format" }
{
print $0
} ' datafile.txt > newfile.txt