heredoc

#!/bin/sh

# Usage info
show_help1() {
cat << EOF
Usage: ${0##*/} [-hv] [-f OUTFILE] [FILE]...
Do stuff with FILE and write the result to standard output. With no FILE
or when FILE is -, read standard input.
   -h          display this help and exit
   -f OUTFILE  write the result to OUTFILE instead of standard output.
   -v          verbose mode. Can be used multiple times for increased
               verbosity.
EOF
}

# Usage info
show_help2() {
        cat <<- EOF
        Usage: ${0##*/} [-hv] [-f OUTFILE] [FILE]...
        Do stuff with FILE and write the result to standard output. With no FILE
        or when FILE is -, read standard input.
           -h          display this help and exit
           -f OUTFILE  write the result to OUTFILE instead of standard output.
           -v          verbose mode. Can be used multiple times for increased
                       verbosity.
        EOF
}

show_help1
show_help2