Linux system awk to implement Ls-l output file permissions of the digital & build the enhanced version of the LS command

Source: Internet
Author: User

Ls-l | awk ' {k=0;s=0;for (i=0;i<=8;i++) {k+= (substr ($1,i+2,1) ~/[rwxst]/) *2^ (8-i))}j=4;for (i=4;i<=10;i+=3) {s+= (  substr ($1,i,1) ~/[stst]/) *j) j/=2}if (k) {printf ("%0o%0o", S,k)}print} ' total dosage 94372 0755-rwxr-xr-x 1 www. 8597776 August 29   13:22 goproxy_arm 0755-rwxr-xr-x 1 www www 10592880 August 13:29 goproxy_arm64 0644-rw-r--r--1 www www 129 August 16:39 goproxy.bat 0755-rwxr-xr-x 1 www. 8647968 August 13:21 goproxy_darwin_386 0755-rwxr-xr-x 1 www www 10 731424 August 13:21 goproxy_darwin_amd64 0755-rwxr-xr-x 1 www www 8588416 August 13:21 goproxy_freebsd_386 0755-rwxr- Xr-x 1 www www 10696016 August 13:21 goproxy_freebsd_amd64 0755-rwxr-xr-x 1 www www 8631208 August 13:20 goproxy_lin ux_386 0755-rwxr-xr-x 1 www www 10736192 August 13:21 goproxy_linux_amd64 0755-rwxr-xr-x 1 www www 8665088 August 29 1  3:21 goproxy_windows_386.exe 0755-rwxr-xr-x 1 www www 10696704 August 13:22 goproxy_windows_amd64.exe 0644-rw-r--r--1 Root root 18311 August 31 08:09 routes.list.gz 0644-rw-r--r--1 www www. 1536 August 13:49 RunHiddenConsole.exe 

At the same time, the site also made a strengthened version of the LS command
# #一键升级加强版ls命令 Wget-cq http://www.dwhd.org/script/lsmod-O/bin/lsmod && chmod +x/bin/lsmod && Echo ' A Lias ls= "/bin/lsmod" ' >> ~/.BASHRC &&. ~/.BASHRC ##### #如果是Debian系系统请运行下面的一键 wget-cq http://www.dwhd.org/script/lsmod-O/bin/lshmod && chmod +x/bin/ Lshmod && Echo ' Alias ls= '/bin/lshmod ' >> ~/.bashrc &&. ~/.bashrc

[root@vps197121 ~]# wget http://www.dwhd.org/script/lsmod-O/bin/lsmod && chmod +x/bin/lsmod && Echo ' al IAS ls= "/bin/lsmod" ' >> ~/.BASHRC &&. ~/.BASHRC--2015-09-08 21:25:13--http://www.dwhd.org/script/lsmod resolving www.dwhd.org ... 133.130.100.22, 2400:8500:1301:737:a133:130:100:220 connecting to www.dwhd.org|133.130.100.22|:80 ... Connected. HTTP request sent, awaiting response ... OK length:783 [Application/octet-stream] saving to: "/bin/lsmod" 100%[=========================================== ====================================&GT] 783--.-k/s in 0s 2015-09-08 21:25:14 (75.5 MB/s)-"/bin/lsmod "Saved [783/783] [root@vps197121 ~]# ls-l 0200 Total 0644-rw-r--r--1 root root 3886 Sep 7 20:08 bench.sh 0644- rw-r--r--1 root 4398 Aug 22:26 init.sh 0644-rw-r--r--. 1 root 10281 Dec 1 2014 install.log 0644-rw-r--r--. 1 root 3317 Dec 1 2014 install.log.syslog [root@vps197121 ~]# ls-la 0200 Total 10550 Dr-xr-x---. 5 root 4096 Sep 8 19:00. 0555 Dr-xr-xr-x. Root root 4096 Aug 31 02:47.  0600-RW-------.  1 root 3376 Sep 8 18:37. Bash_history 0644-rw-r--r--.  1 root 2009 Bash_logout 0644-rw-r--r--. 1 root 176 May 2009 Bash_profile 0644-rw-r--r--1 root Sep 8 21:25 BASHRC 1  Root root 3886 Sep 7 20:08 bench.sh 0644-rw-r--r--.  1 root Sep cshrc 0644-rw-r--r--1 root root 4398 Aug 22:26 init.sh 0644-rw-r--r--.  1 root 10281 Dec 1 2014 install.log 0644-rw-r--r--. 1 root 3317 Dec 1 2014 install.log.syslog 0755 drwxr-xr-x 5 root 4096 Aug-05:24. Ipython 0740 drwxr----  -3 root root 4096 Aug 05:19. PKI 0644-rw-r--r--1 501 501 4149 June 9 11:40. SCREENRC 0700 drwx------.  2 root 4096 Sep 7 21:28. SSH 0644-rw-r--r--. 1 root 129 Dec 3 TCSHRC 0600-rw-------1 root 4328 Sep 8 17:39 viminfor--r--1 501 501 4546 June 11:33. vimrc 0600-rw-------1 root root 126 Sep 8 18:43. xauthority [root@vps197121 ~]# ls/etc/fstab/etc/fstab [root@vps197121 ~]# ls/etc/fstab-l 0644-rw-r--r--. 1 root 585 Aug 02:45/etc/fstab [root@vps197121 ~]#

The difference between the original and the enhanced version
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