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|
#!/bin/sh
set -e
# Later, we're going to want to set $IFS to a single newline, so let's prepare one.
NL='
'
VIS_MENU_PROMPT=""
ALLOW_AUTO_SELECT=1
wrap_dirs() {
local o
while read o
do
[ -d "$o" ] && printf "%s/\n" "$o" || printf "%s\n" "$o"
done
}
while [ $# -gt 0 ]; do
case "$1" in
-h|--help)
echo "usage: $(basename $0) [-h] [-p prompt] [-f] [--] [file-pattern]"
exit 0;
;;
-p)
VIS_MENU_PROMPT=$2
shift
shift
;;
-f)
ALLOW_AUTO_SELECT=""
shift
;;
--)
shift
break
;;
*)
break
;;
esac
done
# At this point, all the remaining arguments should be the expansion of
# any globs that were passed on the command line.
if [ $# -eq 1 -a "$ALLOW_AUTO_SELECT" = 1 ]; then
# If there were globs on the command-line, they've expanded to
# a single item, so we can just process it.
if [ -d "$1" ]; then
# Recurse and show the contents of the named directory,
# We pass -f to force the next iteration to present the
# full list, even if it's just an empty directory.
cd "$1"
IFS=$NL # Don't split ls output on tabs or spaces.
exec "$0" -p "$VIS_MENU_PROMPT" -f .. $(ls -1)
else
# We've found a single item, and it's not a directory,
# so it must be a filename (or file-like thing) to open,
# unless the parent directory does not exist.
if [ -d "$(dirname "$1")" ]; then
cd "$(dirname "$1")"
echo "$(pwd -P)"/"$(basename "$1" | sed 's/\*$//')"
exit 0
else
exit 1
fi
fi
fi
# At this point, we have a bunch of options we need to present to the
# user so they can pick one.
CHOICE=$(printf "%s\n" "$@" | wrap_dirs | vis-menu -b -p "$VIS_MENU_PROMPT")
# Did they pick a file or directory? Who knows, let's let the next iteration figure it out.
exec "$0" -p "$VIS_MENU_PROMPT" -- "$CHOICE"
|
