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Top Forums Shell Programming and Scripting Print specific line using a variable Post 302830999 by zzavilz on Wednesday 10th of July 2013 03:58:29 AM
Old 07-10-2013
Print specific line using a variable

Hi Everyone,

Is there a way I can print specific lines using sed -n '3,3p' file.dat or awk 'FNR==3' file.dat when using variable?

For example, I have this script (get_line.ksh) that accepts line parameter that a user wanted to print in the file.dat.
Code:
file.dat
one
two
three
four

So if the user ran the script with ./get_line.ksh 4, the script would display four. If the user ran the script with ./get_line.ksh 3, the script would display three and so on...

Thanks,
zzavilz

Last edited by vbe; 07-10-2013 at 05:05 AM..
 

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times(1)							   User Commands							  times(1)

NAME
times - shell built-in function to report time usages of the current shell SYNOPSIS
sh times ksh times DESCRIPTION
sh Print the accumulated user and system times for processes run from the shell. ksh Print the accumulated user and system times for the shell and for processes run from the shell. On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways: 1. Variable assignment lists preceding the command remain in effect when the command completes. 2. I/O redirections are processed after variable assignments. 3. Errors cause a script that contains them to abort. 4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a variable assignment. This means that tilde substitution is performed after the = sign and word splitting and file name genera- tion are not performed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
ksh(1), sh(1), time(1), attributes(5) SunOS 5.11 15 Apr 1994 times(1)
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