Merge remote-tracking branch 'lsf/master'
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commit
f2c1354637
172
lsf.sh
Executable file
172
lsf.sh
Executable file
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#!/bin/bash
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# ultra-fancy ultra-pointless `ls -l` alternative
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# to be sourced by bash or zsh
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# similar project: https://github.com/trapd00r/ls--
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# to maintain zsh compatibility:
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# $() is surrounded in double quotes
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# echo -E is used to avoid \033 expanding
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# bare asterisks are escaped to prevent globbing
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# arrays are used instead of relying on word expansion
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# for loops over "${array[@]}" as it works the same in both
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# TODO: set better defaults for quick glances at filesize
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# TODO: include sorting somehow
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# TODO: handle symlinks nicely
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# TODO: append WHI / clr to dir names
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_lsf_begin(){
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local begin='
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me='$UID'
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'"$(
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awk -F: '{print "unames["$3"]=\""$1"\""}' < /etc/passwd
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awk -F: '{print "gnames["$3"]=\""$1"\""}' < /etc/group
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for x in $(groups); do echo "us[\"$x\"]=1"; done
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i=0;for x in bla red gre yel blu pur cya whi; do
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echo -E $x'="\033[3'${i}'m"'
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echo -n "$x" | tr a-z A-Z
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echo -E '="\033[1;3'${i}'m"'
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let i++
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done
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)"'
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clr="\033[0m"
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BLD="\033[1m"
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s=1
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m=60*s
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h=60*m
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d=24*h
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y=365*d
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B=1
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K=1024*B
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M=1024*K
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G=1024*M
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T=1024*G
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ff["time"]="%3d%s " clr
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ff["size"]="%4d" clr "%s "
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'"$(
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for x in s m h d y;do echo "u[\"time,$x\"]=$x";done
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for x in B K M G T;do echo "u[\"size,$x\"]=$x";done
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ft=(-1 m m\*10 h h\*12 d d\*7 30\*d y y\*2 y\*10)
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fut=(s s s m m h h d d d y y)
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fct=(RED PUR pur YEL yel GRE gre CYA cya BLU blu BLA)
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fs=( 0 K K\*8 M M\*8 G G\*8 T T\*8)
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fus=(B B B K K M M G G T)
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fcs=(BLA cya CYA CYA yel yel pur pur red red)
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pc=(BLA WHI yel YEL blu BLU gre GRE)
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i=0;for x in "${ft[@]}"; do echo "f[\"time,$i\"]=$x"; let i++;done
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echo "f[\"times\"]=$i"
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i=0;for x in "${fs[@]}"; do echo "f[\"size,$i\"]=$x"; let i++;done
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echo "f[\"sizes\"]=$i"
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i=0;for x in "${fut[@]}";do echo "fu[\"time,$i\"]=\"$x\"";let i++;done
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i=0;for x in "${fus[@]}";do echo "fu[\"size,$i\"]=\"$x\"";let i++;done
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i=0;for x in "${fct[@]}";do echo "fc[\"time,$i\"]=$x"; let i++;done
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i=0;for x in "${fcs[@]}";do echo "fc[\"size,$i\"]=$x"; let i++;done
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i=0;for x in "${pc[@]}"; do echo "pc[$i]=$x"; let i++;done
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)"
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echo -E "$begin"
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}
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_lsf_cached=
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_lsf_program='
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function printff(id, n) {
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len=f[id "s"]
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for(i=0;i<=len;i++) {
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idi=id "," i
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if(i!=len && n>f[idi]) continue
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unit=fu[idi]
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printf(fc[idi] ff[id], n/u[id "," unit], unit)
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break
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}
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}
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function trunc(str, len) {
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e=length(str)>len?"…":""
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return substr(str,0,len-(e?1:0)) e
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}
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function fixlen(str, len) {
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return trunc(sprintf("%" len "s", str), len)
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}
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{
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printff("size", $(NF-14))
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uid=$(NF-11)
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gid=$(NF-10)
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is_me=(uid==me)
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is_us=(gnames[gid] in us)
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bits=("0x" $(NF-12))+0
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# note: we ignore the set and sticky bits... for now
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type=rshift(and(bits, 0170000), 12)
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operm=and(bits, 07)
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gperm=rshift(and(bits, 070), 3)
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uperm=rshift(and(bits, 0700), 6)
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our_perm=or(or((is_me)?uperm:0, (is_us)?gperm:0), operm)
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printf(pc[our_perm] "%o " clr, our_perm)
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if(OSP) {
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printf(pc[uperm] "%o" clr, uperm)
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printf(pc[gperm] "%o" clr, gperm)
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printf(pc[operm] "%o " clr, operm)
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}
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if(OSU) {
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name=fixlen((uid in unames)?unames[uid]:uid, 6)
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if(is_me) name=WHI name clr
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printf("%s ", name)
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}
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if(OSG) {
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name=fixlen((gid in gnames)?gnames[gid]:gid, 6)
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if(is_us) name=WHI name clr
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printf("%s ", name)
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}
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da=$(NF-4)
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dc=$(NF-3)
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dm=$(NF-2)
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if(OMR) {
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max=(da>dm)?da:dm
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max=(max>dc)?max:dc
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printff("time", now-max)
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} else {
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printff("time", now-da)
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printff("time", now-dm)
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printff("time", now-dc)
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}
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# acquire filename by killing all fields not part of it
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NF-=15
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fn=$0
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if (!OSPA) {
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if (NR!=1) fn=substr(fn,firstlen)
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else firstlen=length(fn)+2-(fn ~ /\/$/)
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}
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print fn
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}'
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lsf(){
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local o_showallperm=1 o_showuser=1 o_showgroup=1
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local o_mostrecent=0 o_showpath=1 opts=mgupfs opt
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while getopts $opts'h' opt; do
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case $opt in
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f) _lsf_cached=;;
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p) o_showallperm=0;;
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u) o_showuser=0;;
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g) o_showgroup=0;;
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m) o_mostrecent=1;;
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s) o_showpath=0;;
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?) echo "usage: $0 [-$opts] [dir]"
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return 1;;
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esac
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done
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[ "$_lsf_cached" ] || _lsf_cached="$(_lsf_begin)"
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shift $((OPTIND-1))
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find "${1:-.}" -maxdepth 1 -exec stat -t {} + | awk --non-decimal-data \
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-v"now=$(date +%s)" -v"OMR=$o_mostrecent" -v"OSU=$o_showuser" \
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-v"OSG=$o_showgroup" -v"OSP=$o_showallperm" -v"OSPA=$o_showpath" \
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"BEGIN{$_lsf_cached}$_lsf_program"
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}
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