From 85da14dad0b345bf386d11ece0129564fe742bfd Mon Sep 17 00:00:00 2001
From: notwa <cloningdonor@gmail.com>
Date: Tue, 14 May 2013 18:55:04 -0700
Subject: [PATCH]

---
 lsf.sh | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 lsf.sh

diff --git a/lsf.sh b/lsf.sh
new file mode 100644
index 0000000..affcd38
--- /dev/null
+++ b/lsf.sh
@@ -0,0 +1,166 @@
+#!/bin/bash
+# ultra-fancy ultra-pointless `ls -l` alternative
+# compatible with bash and zsh
+# can be sourced or executed
+
+# to maintain zsh compatibility:
+# $() is surrounded in double quotes
+# echo -E is used to avoid \033 expanding
+# bare asterisks are escaped to prevent globbing
+# arrays are used instead of relying on word expansion
+# for loops over ${array[@]} as it's the only commonality I know
+
+# TODO: set better defaults for quick glances at filesize
+# TODO: utilize filetype; opt to strip path from output
+#       make sure to add / to path if necessary (warning: symlinks)
+# TODO: rewrite trunc to use len
+
+_lsf_begin(){
+	local begin='
+me='$UID'
+'"$(
+awk -F: '{print "unames["$3"]=\""$1"\""}' < /etc/passwd
+awk -F: '{print "gnames["$3"]=\""$1"\""}' < /etc/group
+for x in $(groups); do echo "us[\"$x\"]=1"; done
+i=0;for x in bla red gre yel blu pur cya whi; do
+	echo -E $x'="\033[3'${i}'m"'
+	echo -n "$x" | tr '[a-z]' '[A-Z]'
+	echo -E '="\033[1;3'${i}'m"'
+	let i++
+done
+)"'
+clr="\033[0m"
+BLD="\033[1m" 
+s=1
+m=60*s
+h=60*m
+d=24*h
+y=365*d 
+B=1
+K=1024*B
+M=1024*K
+G=1024*M
+T=1024*G 
+ff["time"]="%3d%s " clr
+ff["size"]="%4d" clr "%s "
+'"$(
+for x in s m h d y;do echo "u[\"time,$x\"]=$x";done
+for x in B K M G T;do echo "u[\"size,$x\"]=$x";done
+ft=(-1    m    m\*10  h    h\*12  d    d\*7  30\*d  y    y\*2  y\*10)
+fut=(s    s    s      m    m      h    h     d      d    d     y    y)
+fct=(RED  PUR  pur    YEL  yel    GRE  gre   CYA    cya  BLU   blu  BLA)
+fs=( 0    K    K\*8  M    M\*8  G    G\*8  T    T\*8)
+fus=(B    B    B     K    K     M    M     G    G    T)
+fcs=(BLA  cya  CYA   CYA  yel   yel  pur   pur  red  red)
+pc=(BLA WHI yel YEL blu BLU gre GRE)
+i=0;for x in ${ft[@]}; do echo "f[\"time,$i\"]=$x";     let i++;done
+echo "f[\"times\"]=$i"
+i=0;for x in ${fs[@]}; do echo "f[\"size,$i\"]=$x";     let i++;done
+echo "f[\"sizes\"]=$i"
+i=0;for x in ${fut[@]};do echo "fu[\"time,$i\"]=\"$x\"";let i++;done
+i=0;for x in ${fus[@]};do echo "fu[\"size,$i\"]=\"$x\"";let i++;done
+i=0;for x in ${fct[@]};do echo "fc[\"time,$i\"]=$x";    let i++;done
+i=0;for x in ${fcs[@]};do echo "fc[\"size,$i\"]=$x";    let i++;done
+i=0;for x in ${pc[@]}; do echo "pc[$i]=$x";             let i++;done
+)"
+	echo -E "$begin"
+}
+
+_lsf_cached=
+
+lsf(){
+	local o_showallperm=1 o_showuser=1 o_showgroup=1
+	local o_mostrecent=0 opts=mgupf opt
+	while getopts $opts'h' opt; do
+		case $opt in
+		f) _lsf_cached=;;
+		p) o_showallperm=0;;
+		u) o_showuser=0;;
+		g) o_showgroup=0;;
+		m) o_mostrecent=1;;
+		?) echo "usage: $0 [-$opts] [dir]"
+		   return 1;;
+		esac
+	done
+
+	[ "$_lsf_cached" ] || _lsf_cached="$(_lsf_begin)"
+	local program='BEGIN{'"$_lsf_cached"'
+now='"$(date +%s)"'
+}
+function printff(id, n) {
+	len=f[id "s"]
+	for(i=0;i<=len;i++) {
+		idi=id "," i
+		if(i!=len && n>f[idi]) continue
+		unit=fu[idi]
+		printf(fc[idi] ff[id], n/u[id "," unit], unit)
+		break
+	}
+}
+
+function trunc(str, len) {
+	# for the moment len doesnt do anything
+	return gensub(/(.{5})..+/,"\\1…",1,sprintf("%6s",str))
+}
+
+{
+	printff("size", $(NF-14))
+
+	uid=$(NF-11)
+	gid=$(NF-10)
+	is_me=(uid==me)
+	is_us=(gnames[gid] in us)
+
+	gross=("0x" $(NF-12))+0
+	type=rshift(gross, 9)
+	operm=and(gross, 07)
+	gperm=rshift(and(gross, 070), 3)
+	uperm=rshift(and(gross, 0700), 6)
+	our_perm=or(or((is_me)?uperm:0, (is_us)?gperm:0), operm)
+
+	printf(pc[our_perm] "%o " clr, our_perm)
+	if('$o_showallperm') {
+		printf(pc[uperm] "%o" clr, uperm)
+		printf(pc[gperm] "%o" clr, gperm)
+		printf(pc[operm] "%o " clr, operm)
+	}
+
+	if('$o_showuser') {
+		name=trunc((uid in unames)?unames[uid]:uid, 6)
+		if(is_me) name=YEL name clr
+		printf("%s ", name)
+	}
+
+	if('$o_showgroup') {
+		name=trunc((gid in gnames)?gnames[gid]:gid, 6)
+		if(is_us) name=YEL name clr
+		printf("%s ", name)
+	}
+
+	da=$(NF-4)
+	dc=$(NF-3)
+	dm=$(NF-2)
+	if(!'$o_mostrecent') {
+		printff("time", now-da)
+		printff("time", now-dm)
+		printff("time", now-dc)
+	} else {
+		max=(da>dm)?da:dm
+		max=(max>dc)?max:dc
+		printff("time", now-max)
+	}
+
+	# print filename by killing all fields not part of it
+	NF-=15
+	print
+}'
+
+	shift $(($OPTIND-1))
+	find "${1:-.}" -maxdepth 1 -print0 | xargs -0 stat -t | awk --non-decimal-data "$program"
+}
+
+case $- in
+ *i*) ;;
+   *) lsf -f
+esac
+