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Subject: =?UTF-8?Q?list_last_modified_files?=
From: =?UTF-8?Q?rooom?= <rooom@prokonto.pl>
To: zsh-users@zsh.org
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Message-ID: <6ac3d5e6.2de49d01.55d4fc3c.9415a@prokonto.pl>
Date: Wed, 19 Aug 2015 23:59:24 +0200
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Hi,

I'm=20trying=20to=20write=20a=20function=20which=20lists=2010=20most=20re=
cent=20files=20from=20given=20sets=20(not=20only=20directories),=20someth=
ing=20like=20trivial=20`alias=20lt=3Dls=20-lat=20|=20head=20-n=2010`,=20b=
ut=20better.

It=20should=20work=20like

lt=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20#=20list=2010=20recent=20files=20from=20.
lt=20dir=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20#=20list=2010=20recent=20files=20from=20dir/
lt=20dir1=20file1=20dir2/file*=20dir3=20=20=20#=20list=2010=20recent=20fi=
les=20from=20a=20given=20sum=20of=20inputs


Here=20is=20my=20solution=20so=20far,=20which=20I=20think=20is=20overcomp=
licated=20and=20iffy:

lt()=20{ls=20-Adlt=20--=20"${^@:-.}"(Ne:'[[=20-d=20$REPLY=20]]=20&&=20rep=
ly=3D($REPLY/*(DNomon[1,10]))=20||=20true':)=20|=20head=20-n=2010}

Here=20how=20it=20should=20work:
For=20each=20argument=20check=20if=20it=20is=20directory,=20and=20in=20th=
at=20case=20return=2010=20most=20recent=20modified=20files=20from=20that=20=
directory,=20then=20add=20other=20arguments=20to=20the=20list=20(files)=20=
and=20ignore=20all=20non-file=20arguments=20(N).=20After=20all=20pass=20g=
enerated=20set=20to=20the=20'ls'=20command=20which=20sorts=20it=20on=20mo=
dification=20time=20and=20finally=20pass=20to=20'head=20-n=2010'.


Several=20question:

1.=20First=20of=20all=20I=20cannot=20understand=20why=20do=20I=20need=20a=
=20command=20"true"=20to=20list=20properly=20arguments=20which=20are=20=20=
not=20directories.=20I=20can=20put=20there=20other=20command=20as=20well=20=
like=20'echo=20>/dev/null',=20but=20'true'=20is=20simplest=20I=20could=20=
find=20(for=20example=20':'=20doesn't=20work).=20From=20my=20basic=20unde=
rstanding=20no=20command=20should=20be=20needed=20to=20properly=20handle=20=
'lt=20file'.

2.=20I=20would=20like=20to=20get=20rid=20of=20external=20`head=20-n=2010`=
=20command=20and=20use=20glob=20qualifiers=20instead,=20but=20as=20you=20=
can=20see=20there=20are=20already=20two=20nested=20qualifier=20lists,=20a=
nd=20I=20can't=20see=20a=20way=20to=20put=20one=20more=20after=20all=20of=
=20that=20just=20to=20take=20(om[1,10]).

3.=20When=20I=20run=20it=20with=20only=20non-existing=20files=20like=20'l=
t=20nonexistingfile'=20then=20it=20prints=20single=20dot=20'.'.=20I=20wou=
ld=20prefer=20to=20print=20error=20from=20'ls'=20command=20like=20"ls:=20=
cannot=20access...".=20Note=20that=20I=20cannot=20remove=20(N)=20qualifie=
r=20because=20zsh=20steps=20in=20with=20its=20own=20errors=20-=20I=20want=
=20zsh=20to=20pass=20argument=20to=20'ls'=20as=20it=20is=20in=20case=20it=
=20cannot=20find=20files.


Hope=20it's=20not=20too=20long,
thanks=20in=20advance