wraps ls in zsh for some interesting listings (zsh)

list

#!/usr/bin/env zsh
# ----------------------------------------------------------------------------- #
#         File: list
#  Description: wrapper over 'ls' so I don't have to remember zsh's great expansions
#       Author: rkumar http://github.com/rkumar/rbcurse/
#         Date: 2012-12-02 - 17:07
#  Last update: 2012-12-02 - 17:08
#      License: Free
#  If you want to use 'v', get from https://gist.github.com/4188977
# ----------------------------------------------------------------------------- #
#
OPT=$*
MYVER=0.0.1
while [[ $1 = -* ]]; do
case "$1" in
    -h|--help)
cat <<!
list $MYVER  Copyright (C) 2012 rahul kumar
This program lists files based on certain criteria. 
It wraps ls (mostly).
You may pass arguments to 'ls' such as "-l" or "-ltrh".
For 'v' copy from: https://gist.github.com/4188977
All arguments are passed to ls.
!
        exit
        ;;
    --source)
        echo "this is to edit the source "
        vim $0
        exit
        ;;
    *)
        shift
    ;;
esac
done
export BOLD="\\033[1m"
BOLDOFF="\\033[22m"
GREEN="\\033[1;32;44m"
YELLOW="\\033[1;33;44m"
YELLOW="\\033[0;30;45m"
export DEFAULT="\\033[0m"
INDENT1=" "
INDENT2="     "
# takes options such as -l
echo -e "     ${BOLD}Directory listing options:${BOLDOFF}"
echo "${INDENT2}d    Only dirs"
echo "${INDENT2}f    Only files"
echo "${INDENT1}${YELLOW}Modification or Access:${DEFAULT}"
echo "${INDENT2}t    Modified today                              v    Recently vimmed"
echo "${INDENT2}o    Old files (not modified for a year)         "
echo "${INDENT2}a    Files accessed today                                  "
echo "${INDENT2}A    Files not accessed for a year"
echo "${INDENT1}${YELLOW}File Size :${DEFAULT}"
echo "${INDENT2}0   zero-byte files"
echo "${INDENT2}s   small files < 20 bytes"
echo "${INDENT2}l   large files > 2mb"
echo "${INDENT2}L   large files  > 10 mb (recursive)"
echo "${INDENT2}S   largest files, sort on Size (recursive)"
echo "${INDENT1}${YELLOW}Miscellaneous:${DEFAULT}"
echo "${INDENT2}x   Executable files "
echo "${INDENT2}X   non-Executable files "
echo "${INDENT2}4   files without extension (doesn't seem to work in program)"
echo "${INDENT2}.   dot files"
echo "${INDENT2}8   Directory Sizes"
echo ""
echo -n "Enter Choice: "
read -q ans ; 
echo
case "$ans" in
    1|d) ls $OPT -d *(/)  ;;
2|f)  ls $OPT *(.) ;;
.)  ls $OPT .*(.) ;;
    t) ls $OPT *(.m0) ;;
4) ls *~*.*(.) ;;
o) ls $OPT -l *(.^m-365) ;;
a) ls $OPT -u *(.a0);;
A) ls $OPT -u *(.^a-365);;
0) ls $OPT *(.L0) ;;
s) ls $OPT *(.L-20) ;;
l) ls $OPT *(.Lm+2) ;;
L) ls $OPT **/*(.Lm+10) ;;
S) ls $OPT -hlS **/*(.Lm+2)  | less ;;
6|x) ls $OPT *(*);;
7|X) ls $OPT *(.^*);;
8)  du -sk *(/) ;;
v)  v ;;
 **) echo "Wrong Choice $ans\n" ;;
esac