LDP/LDP/guide/docbook/abs-guide/poem.sh

#!/bin/bash
# poem.sh: Pretty-prints one of the ABS Guide author's favorite poems.

# Lines of the poem (single stanza).
Line[1]="I do not know which to prefer,"
Line[2]="The beauty of inflections"
Line[3]="Or the beauty of innuendoes,"
Line[4]="The blackbird whistling"
Line[5]="Or just after."
# Note that quoting permits embedding whitespace.

# Attribution.
Attrib[1]=" Wallace Stevens"
Attrib[2]="\"Thirteen Ways of Looking at a Blackbird\""
# This poem is in the Public Domain (copyright expired).

echo

tput bold   # Bold print.

for index in 1 2 3 4 5    # Five lines.
do
  printf "     %s\n" "${Line[index]}"
done

for index in 1 2          # Two attribution lines.
do
  printf "          %s\n" "${Attrib[index]}"
done

tput sgr0   # Reset terminal.
            # See 'tput' docs.

echo

exit 0

# Exercise:
# --------
# Modify this script to pretty-print a poem from a text data file.