examples/scripts/zprintf

   1 #! /bin/bash
   2 #
   3 # zprintf - function that calls gawk to do printf for those systems that
   4 #           don't have a printf executable
   5 #
   6 # The format and arguments can have trailing commas, just like gawk
   7 #
   8 # example:
   9 #       zprintf 'Eat %x %x and suck %x!\n' 57005 48879 64206
  10 #
  11 # Chet Ramey
  12 # chet@po.cwru.edu
  13
  14 [ $# -lt 1 ] && {
  15         echo "zprintf: usage: zprintf format [args ...]" >&2
  16         exit 2
  17 }
  18
  19 fmt="${1%,}"
  20 shift
  21
  22 for a in "$@"; do
  23         args="$args,\"${a%,}\""
  24 done
  25
  26 gawk "BEGIN { printf \"$fmt\" $args }"