| #!/bin/sh |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # |
| # ppl.sh -- pretty print a colon-sperarated list by avoiding |
| # `tr' and `fmt' because these tools are different |
| # between Unix platforms |
| # |
| # Initially written by Ralf S. Engelschall <rse apache.org> |
| # for pretty printing lists in the --help option of |
| # Apache's Autoconf-style Interface (APACI) |
| |
| list=` |
| IFS=: |
| for entry in $*; do |
| if [ "x$entry" != "x" ]; then |
| echo $entry |
| fi |
| done |\ |
| sort |\ |
| awk ' |
| BEGIN { list = ""; n = 0; } |
| { |
| list = list $1; |
| n = n + 1; |
| if (n == 1 || n == 2) { |
| list = list ":"; |
| } |
| if (n == 3) { |
| list = list "\n"; |
| n = 0; |
| } |
| } |
| END { print list; } |
| '` |
| IFS=' |
| ' |
| for entry in $list; do |
| echo $entry |\ |
| awk -F: ' |
| { printf("%-15s %-15s %-15s\n", $1, $2, $3); } |
| ' |
| done |\ |
| awk '{ |
| if (length($0) > 48) { |
| printf("%s\n", substr($0, 0, 47)); |
| } else { |
| print $0; |
| } |
| }' |\ |
| sed -e 's/^/ [/' -e 's/$/]/' |
| |