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Better argument parsing #147

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118 changes: 65 additions & 53 deletions gh-md-toc
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Original file line number Diff line number Diff line change
Expand Up @@ -346,63 +346,75 @@ gh_toc_app() {
local need_replace="no"
local indent=3

if [ "$1" = '--help' ] || [ $# -eq 0 ] ; then
if [ $# -eq 0 ] ; then
show_help
return
fi

if [ "$1" = '--version' ]; then
show_version
return
fi

if [ "$1" = '--indent' ]; then
indent="$2"
shift 2
fi

if [ "$1" = "-" ]; then
if [ -z "$TMPDIR" ]; then
TMPDIR="/tmp"
elif [ -n "$TMPDIR" -a ! -d "$TMPDIR" ]; then
mkdir -p "$TMPDIR"
fi
local gh_tmp_md
if [ `uname -s` == "OS/390" ]; then
local timestamp=$(date +%m%d%Y%H%M%S)
gh_tmp_md="$TMPDIR/tmp.$timestamp"
else
gh_tmp_md=$(mktemp $TMPDIR/tmp.XXXXXX)
fi
while read input; do
echo "$input" >> "$gh_tmp_md"
done
gh_toc_md2html "$gh_tmp_md" | gh_toc_grab "" "$indent"
return
fi

if [ "$1" = '--insert' ]; then
need_replace="yes"
shift
fi

if [ "$1" = '--no-backup' ]; then
need_replace="yes"
no_backup="yes"
shift
fi

if [ "$1" = '--hide-footer' ]; then
need_replace="yes"
no_footer="yes"
shift
fi

if [ "$1" = '--skip-header' ]; then
skip_header="yes"
shift
fi

POSITIONAL_ARGS=()

while [[ $# -gt 0 ]]; do
case $1 in
--version)
show_version
shift
return
;;
--indent)
indent="$2"
shift 2
;;
--insert)
need_replace="yes"
shift
;;
--no-backup)
need_replace="yes"
no_backup="yes"
shift
;;
--hide-footer)
need_replace="yes"
no_footer="yes"
shift
;;
--skip-header)
skip_header="yes"
shift
;;
-)
if [ -z "$TMPDIR" ]; then
TMPDIR="/tmp"
elif [ -n "$TMPDIR" -a ! -d "$TMPDIR" ]; then
mkdir -p "$TMPDIR"
fi
local gh_tmp_md
if [ `uname -s` == "OS/390" ]; then
local timestamp=$(date +%m%d%Y%H%M%S)
gh_tmp_md="$TMPDIR/tmp.$timestamp"
else
gh_tmp_md=$(mktemp $TMPDIR/tmp.XXXXXX)
fi
while read input; do
echo "$input" >> "$gh_tmp_md"
done
gh_toc_md2html "$gh_tmp_md" | gh_toc_grab "" "$indent"
return
shift
;;
--help|-*|--*)
show_help
return
shift
;;
*)
POSITIONAL_ARGS+=("$1")
shift
;;
esac
done

set -- "${POSITIONAL_ARGS[@]}"

for md in "$@"
do
Expand Down