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#!/bin/bash
# 20091011 bkw: Wrapper script for sms_sdl, does the following:
# - Savestates and screenshots will be saved in ~/.sms_sdl/
# - A ~/.sms_sdl/config file will be read if present, and converted to
# command-line options for the real sms_sdl binary.
# To make things work properly, we have to run the real emulator binary
# with its cwd set to ~/.sms_sdl/, and create a symlink to the ROM file
# in the same directory. After the emu exits, we remove the symlink.
sms_exe="/usr/libexec/sms_sdl"
sms_userdir=~/.sms_sdl
conf_file="$sms_userdir/config"
romfile=""
conf_args=""
set -e
mkdir -p $sms_userdir
if [ -e "$conf_file" ]; then
while read line; do
# remove comments
line="${line/\#*/}"
case "$line" in
"") ;; # ignore empty lines
-*)
conf_args="$conf_args $line"
;;
*)
conf_args="$conf_args --$line"
;;
esac
done < "$conf_file"
fi
for arg; do
case "$arg" in
-h|-help|--help|-\?)
$sms_exe
exit 0
;;
--*)
conf_args="$conf_args $arg"
;;
*)
if [ -z "$romfile" ]; then
arg="$( readlink -f "$arg" )"
romfile="$( basename "$arg" )"
( cd $sms_userdir ; rm -f "$romfile" ; ln -s "$arg" . )
fi
;;
esac
done
set +e
if [ -z "$romfile" ]; then
$sms_exe
else
cd $sms_userdir
$sms_exe $conf_args "$romfile"
rm -f "$romfile"
fi
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