Code Snippets

Run a command line process

Verified

Added by iNTERFACEWARE

Execute programs and batch files, you can also load results from a directory listing etc.

Source Code

   -- change to the temp directory and run a batch file
   -- for windows
   os.execute('cd C:\\temp')
   os.execute('run.bat')  
   -- alternatively chain the commands together
   os.execute('cd C:\\temp && run.bat')  
   -- for mac/linux
   local D = io.popen('cd "My HD/Users/my-user/Downloads/temp"')
   os.execute('run.sh')  
   -- alternatively chain the commands together
   local D = io.popen('cd "My HD/Users/my-user/Downloads/temp" ; run.sh')

   -- read names of files and directories
   -- for windows
   local D = io.popen('ls')
   local R = D:read('*a')
   -- change to a different directory first
   local D = io.popen('cd C:\\Downloads\\temp')
   local D = io.popen('dir')
   -- alternatively chain the commands together
   local D = io.popen('cd C:\\Downloads\\temp && dir')
   local R = D:read('*a')
   -- for mac/linux
   local D = io.popen('ls')
   local R = D:read('*a')
   -- change to a different directory first
   local D = io.popen('cd "My HD/Users/my-user/Downloads/temp"')
   local D = io.popen('ls')
   -- alternatively chain the commands together
   local D = io.popen('cd "My HD/Users/my-user/Downloads/temp" ; ls')
   local R = D:read('*a')

Description

Execute programs and batch files, you can also load results from a directory listing etc.

Usage Details

Use os.execute() to run command line processes like programs, and batch files. Use io.popen() if you need to read and write to the command line process, for example read the results of a directory listing into Iguana.

How to use the snippet:

Paste the desired command into your script
Modify it to suit your requirements

More Information

• os.execute
• io.popen
• Invoking External Programs
• Using os.execute()
• Using io.popen()

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Code Repository

Run a command line process