script writing books

'Echo $countDone"Split" file has 6 lines, cut for every 2 behavior a file, altogether cut out 3 files. XAA Xab XacSplit-2 A.txtAlso available while the Read name keyboard input"TR" is generally replaced or deleted for character conversionTr-s "[A-Z]" Tr-s "[\012]" Tr-s "[A-Z]" "[A-z]" Tr-s "[Chen]" "[Chennailog]" Cat 201601.csv|awk-f ', ' {print $ ' |sort|uniq-c|sort-rn|awk ' {if ($1>1);p rint-$} ' |xargs-i grep {} 201601.csvIf the first column of this row = The first column of another row, out

A simple description of the process of writing a shell script in Linux 1, use VIM or gedit to create a file, usually use. sh as a file suffix 2, "#!/bin/bash" as the first line of statements, which "#!" Known as the "Sha-bang" symbol, is the starting symbol for the shell script to indicate that the current script file

Automatic deployment, initial configuration, and start of Nginx reverse proxy service, automatic deployment, initial configuration, and launch of two Web#!/bin/BashYum InstallEpel-release-yYum InstallNginx-yPSAux |grepNginx |grep-V'grep'if[$?-ne0 ] Thensystemctl start Nginxfised-ri'/^http/a upstream xzhweb\{'/etc/nginx/nginx.confsed-ri'/^upstream/a Server 192.168.16.99'/etc/nginx/nginx.confsed-ri'/^server/a}'/etc/nginx/nginx.confsed-ri'/^server/a Server 192.168.16.175'/etc/nginx/nginx.confse