# tags: numlines, lines, numbers, pad, awk, code
#
# prepends uniformly padded line numbers to output to a width of
# three zeros (999 max line number per file - adjust as needed)
# Michael Sanders 2023
# https://busybox.neocities.org/notes/numlines.txt
#
# usage: awk -f numlines.txt FILE [FILE]
#
# example output...
#
# FILE: fubar.sh
#
# 001 #!/bin/sh
# ...
# 999 exit $?

FNR == 1 { printf "\nFILE: %s\n\n", FILENAME }

{ printf "%03d %s\n", FNR, $0 }

# eof