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#!/bin/bash
set -u
set -e
W3M="$(/usr/bin/which w3m)" || true
function usage
{
echo "Usage: $0 -f <function>"
}
function lookup_function
{
local name="$1"
local filename="function.$(echo "${name}" | /usr/bin/sed 's/_/-/g').html"
if [ ! -n "${W3M}" ]; then
echo "w3m not found."
exit 1;
fi
${W3M} "/usr/share/doc/php/php-chunked-xhtml/${filename}"
}
opt_f=
# Parse the arguments
while getopts :f: opt ; do
case ${opt} in
f)
opt_f="${OPTARG}"
;;
\?)
echo "Invalid option -${OPTARG}."
exit 1
;;
:)
echo "Missing parameter for -${OPTARG}."
exit 1
;;
esac
done
if [ -n "${opt_f}" ]; then
lookup_function "${opt_f}"
else
usage "$0"
exit 1
fi
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