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Need an Expert Shell Programmer

₹1500-12500 INR

In Progress
Posted over 5 years ago

₹1500-12500 INR

Paid on delivery
Your program must be invoked as follows: myshell [batchfile] The batchfile is an optional argument. If present, your shell program will operate in the batch mode and read the file and interpret each line of the file as commands to be executed. If not present, your shell program will run in interactive mode by printing a prompt to the user at stdout and reading the command from stdin. Your shell program should handle different situations and handle them properly. The following are examples (these are not complete): - When the shell is run with more than one argument, the program should print an error message and quit. - When the bachfile does not exist or cannot be opened, the shell should print an error message and quit. - During the shell’s execution, when the input command is not found, the shell should prompt a useful message and continue. - If the input command is empty (an empty command line or only spaces between semicolons), the command should be ignored. - The shell should be able to handle extra white spaces between commands, arguments, and semicolons. - The shell should be able to handle batch file that ends without quit command or when user types 'Ctrl-D' as command in the interactive mode.
Project ID: 18243461

About the project

5 proposals
Remote project
Active 5 yrs ago

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Can do the needful in specified timeline without any issues. I have an experience of 9 years in shell scripting.
₹3,000 INR in 5 days
0.0 (0 reviews)
0.0
0.0
5 freelancers are bidding on average ₹7,655 INR for this job
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Hey I'm a System Engineer with coding skills. I had coded many scripts using shell scripting. I can help. Regards.
₹12,500 INR in 3 days
5.0 (21 reviews)
4.9
4.9
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Hi, Few clarifications - What will be the contents of batchfile ? Is it commands ? Is Ctrl-C the only option to exit the script ? How spaces, commas, and semi colons are expected in the command. Thanks
₹3,888 INR in 3 days
5.0 (19 reviews)
4.1
4.1
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I have been working with shell scripts for over 20 year. I am a UNIX and GNU/Linux expert. The script example presented here is not difficult.
₹7,777 INR in 3 days
0.0 (0 reviews)
0.0
0.0
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can u please explain your requirement what exactly you want to do I have a pleasant experience on shell Scripting.
₹11,111 INR in 10 days
0.0 (0 reviews)
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About the client

Flag of INDIA
Pune, India
4.1
10
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Member since Aug 28, 2018

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