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Full Discussion: passing argument in script?
Top Forums Shell Programming and Scripting passing argument in script? Post 302701097 by pamu on Friday 14th of September 2012 05:00:05 PM
Old 09-14-2012
Quote:
Originally Posted by nrjrasaxena
Hi tukuyomi,
Thanks for the reply !
As I understood it would work. But I need to provide both argument together. But yeah ECHO would help in recalling as what argument should be text and what should be integer?

Am I correct?
Pooja
I think you are very confused or i am confused Smilie

do you want to run one script multiple times and pass argument.

if you want to get return from the script as what type of argument is passed then just verify the string with numeric or characters..

Code:
./script.sh text
# here $1=text you can perform the operation here..

./script.sh 10
#here also $1=10

If i am guessing right you might talking about after running script 2 you want $2 as 10 right..?


That's not possible as per my knowledge.

hope it helps you..

and for checking string or integer check this...

Code:
$ [[ `echo "adsds" | sed 's/^[-+0-9][0-9]*//' | wc -c` -eq 1 ]] && echo "itz number" || echo "itz not number"
itz not number

$ [[ `echo "1022" | sed 's/^[-+0-9][0-9]*//' | wc -c` -eq 1 ]] && echo "itz number" || echo "itz not number"
itz number

$ [[ `echo "10df22" | sed 's/^[-+0-9][0-9]*//' | wc -c` -eq 1 ]] && echo "itz number" || echo "itz not number"
itz not number

Last edited by pamu; 09-14-2012 at 06:09 PM.. Reason: info added...
 

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LEARN ABOUT FREEBSD

atf-sh

ATF-SH(1)						    BSD General Commands Manual 						 ATF-SH(1)

NAME

     atf-sh [-s shell] -- interpreter for shell-based test programs

SYNOPSIS

     atf-sh script

DESCRIPTION

     atf-sh is an interpreter that runs the test program given in script after loading the atf-sh(3) library.

     atf-sh is not a real interpreter though: it is just a wrapper around the system-wide shell defined by ATF_SHELL.  atf-sh executes the inter-
     preter, loads the atf-sh(3) library and then runs the script.  You must consider atf-sh to be a POSIX shell by default and thus should not
     use any non-standard extensions.

     The following options are available:

     -s shell	  Specifies the shell to use instead of the value provided by ATF_SHELL.

ENVIRONMENT

     ATF_LIBEXECDIR    Overrides the builtin directory where atf-sh is located.  Should not be overridden other than for testing purposes.
     ATF_PKGDATADIR    Overrides the builtin directory where libatf-sh.subr is located.  Should not be overridden other than for testing purposes.
     ATF_SHELL	       Path to the system shell to be used in the generated scripts.  Scripts must not rely on this variable being set to select a
		       specific interpreter.

EXAMPLES

     Scripts using atf-sh(3) should start with:

	   #! /usr/bin/env atf-sh

     Alternatively, if you want to explicitly choose a shell interpreter, you cannot rely on env(1) to find atf-sh.  Instead, you have to hardcode
     the path to atf-sh in the script and then use the -s option afterwards as a single parameter:

	   #! /path/to/bin/atf-sh -s/bin/bash

ENVIRONMENT

     ATF_SHELL	  Path to the system shell to be used in the generated scripts.

SEE ALSO

     atf-sh(3)

BSD
								September 27, 2014							       BSD
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