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Full Discussion: Complex Script
Top Forums Shell Programming and Scripting Complex Script Post 302458966 by kurumi on Sunday 3rd of October 2010 01:43:06 AM
Old 10-03-2010
Code:
#!/usr/bin/env ruby  
# 1.9.1
f=File.readlines("history.txt")
f.each_with_index{|x,i| x.chomp!; f[i-1]<<" " << x and f[i]=nil if (i+1)%2==0}
f.compact!
g=File.read("in.txt").split
h=File.read("out.txt").split
comb=g.zip(h)
final=[]
comb.each do |x|
    final<<"#{x[0]} #{x[1]}"
    f.each_with_index do |com,ind|
        n,cmd=com.split
        n=n.to_i
        final<< com if n.to_i.between?(x[0].to_i,x[1].to_i)
    end
  end
puts final.uniq

Code:
$ ruby myscript.rb
1285876440 1285876440
1285875600 1285876140
1285875611 last
1285875780 history
1285871580 1285871580
1285871040 1285871100
1285871080 nano .bashrc
1285870860 1285870860
1285870860 1285876380
1285871000 history
1285871325 sudo su
1285865100 1285868160
1285865300 history

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SYSTEMD-RUN(1)							    systemd-run 						    SYSTEMD-RUN(1)

NAME
systemd-run - Run programs in transient scope or service units SYNOPSIS
systemd-run [OPTIONS...] COMMAND [ARGS...] DESCRIPTION
systemd-run may be used to create and start a transient .service or a .scope unit and run the specified COMMAND in it. If a command is run as transient service unit, it will be started and managed by the service manager like any other service, and thus show up in the output of systemctl list-units like any other unit. It will run in a clean and detached execution environment. systemd-run will start the service asynchronously in the background and immediately return. If a command is run as transient scope unit, it will be started directly by systemd-run and thus inherit the execution environment of the caller. It is however managed by the service manager similar to normal services, and will also show up in the output of systemctl list-units. Execution in this case is synchronous, and execution will return only when the command finishes. OPTIONS
The following options are understood: -h, --help Prints a short help text and exits. --version Prints a short version string and exits. --user Talk to the service manager of the calling user, rather than the service manager of the system. --system Talk to the service manager of the system. This is the implied default. --scope Create a transient .scope unit instead of the default transient .service unit. --unit= Use this unit name instead of an automatically generated one. --description= Provide description for the unit. If not specified, the command itself will be used as a description. See Description= in systemd.unit(5). --slice= Make the new .service or .scope unit part of the specified slice, instead of the system.slice. --remain-after-exit After the service's process has terminated, keep the service around until it is explicitly stopped. This is useful to collect runtime information about the service after it finished running. Also see RemainAfterExit= in systemd.service(5). --send-sighup When terminating the scope unit, send a SIGHUP immediately after SIGTERM. This is useful to indicate to shells and shell-like processes that the connection has been severed. Also see SendSIGHUP= in systemd.kill(5). All command-line arguments after the first non-option argument become part of the commandline of the launched process. If a command is run as service unit, its first argument needs to be an absolute binary path. EXIT STATUS
On success, 0 is returned, a non-zero failure code otherwise. EXAMPLE
The following command will log the environment variables provided by systemd to services: # systemd-run env Running as unit run-19945.service. # journalctl -u run-19945.service Sep 08 07:37:21 bupkis systemd[1]: Starting /usr/bin/env... Sep 08 07:37:21 bupkis systemd[1]: Started /usr/bin/env. Sep 08 07:37:21 bupkis env[19948]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin Sep 08 07:37:21 bupkis env[19948]: LANG=en_US.UTF-8 Sep 08 07:37:21 bupkis env[19948]: BOOT_IMAGE=/vmlinuz-3.11.0-0.rc5.git6.2.fc20.x86_64 SEE ALSO
systemd(1), systemctl(1), systemd.unit(5), systemd.service(5), systemd.scope(5), systemd.slice(5). systemd 208 SYSTEMD-RUN(1)
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