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#!/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 $0;
}
}' |\
sed -e 's/^/ [/' -e 's/$/]/'
|
