How do I assign the output of a shell command to a shell variable under Unix like operating system? For example, I want to store the date command output to a variable called $now. How do you do that?
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shell command
How do I read a file field-by-field under UNIX / Linux / BSD Bash shell? My sample input data file is as follows:
device1,deviceType,major,minor,permissions
device2,deviceType,major,minor,permissions
…
….
..
deviceN,deviceTypeN,major,minor,permissions
For each line I need to construct and execute a shell command as follows:
/path/to/deviceMaker --context=$1 -m $permissions $device2 $deviceType $major $minor
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How do I display shell command history with date and time under UNIX or Linux operating systems?
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How do I check if file is empty or not using bash or ksh shell script under UNIX / Linux / OS X / BSD operating systems?
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Q. cshell is a shell (command interpreter) with C-like syntax. How do I download and install csh shell on Linux? A. csh is a command language interpreter incorporating a history mechanism , job control facilities , interactive file name and user name completion, and a C-like syntax. It is used both as an interactive login [...]
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