hi, you could do something like that:
qx(CCASE_NO_FILE_HEADER=yes /path/to/your/task); this would set the variable only for this task. HTH, Martin On 11:48:35 17/04/2008 <[EMAIL PROTECTED]> wrote: > Thanks for your help. > > Actually , I am automating one task in Perl in which this command is > there. If I don't execute this command then entire task would fail. > So it's very important that I should set this variable with proper > value and then start the execution of the task. > > Regards, > Irfan > > > -----Original Message----- > From: Martin Barth [mailto:[EMAIL PROTECTED] > Sent: Thursday, April 17, 2008 3:02 PM > To: beginners@perl.org > Subject: RE: setting unix command through perl script > > Hi, > > maybe yes. why do you need this variable to be set/changed? tell us > some more about your objectives, please. > > Regards Martin > > On 11:25:01 17/04/2008 <[EMAIL PROTECTED]> wrote: > > Hi, > > > > OK. Thanks. > > > > IS there any other mechanism to achieve this?? > > > > Regards, > > Irfan > > > > -----Original Message----- > > From: Martin Barth [mailto:[EMAIL PROTECTED] > > Sent: Thursday, April 17, 2008 1:01 PM > > To: beginners@perl.org > > Subject: RE: setting unix command through perl script > > > > Hi > > > > your "command" is executed. it changes the environment of the shell > > you spawn with qx(); but after this statement your shell dies and > > it seems that > > nothing happend.. > > > > it is simply impossible to change the environment of a parent when > > you're a > > child. > > > > maybe you can add this line to your shell configuration file. > > (.bash_profile or .zshrc ...) > > > > Regards Martin > > > > On 9:05:15 17/04/2008 <[EMAIL PROTECTED]> wrote: > > > I want to execute "export CCASE_NO_FILE_HEADER=yes" command in > > > Perl script. > > > If I run this command on bash prompt then it is executing > > > properly but if I try to execute this command through perl > > > script then it is not executing at all > > > > > > How should I achieve this . is there any another way. > > > > > > Please help. > > > > > > Regards, > > > Irfan > > > > > > -----Original Message----- > > > From: Kenneth Wolcott [mailto:[EMAIL PROTECTED] > > > Sent: Thursday, April 17, 2008 12:05 AM > > > To: beginners@perl.org > > > Subject: Fwd: setting unix command through perl script > > > > > > Oops -- did reply and instead of reply-all :-( > > > > > > ---------- Forwarded message ---------- > > > From: Kenneth Wolcott <[EMAIL PROTECTED]> > > > Date: Wed, Apr 16, 2008 at 11:33 AM > > > Subject: Re: setting unix command through perl script > > > To: [EMAIL PROTECTED] > > > > > > > > > Agreed that the parent process in which perl was invoked will > > > not be changed > > > by the perl script. > > > > > > What is the overall objective? > > > > > > Try to do everything you need to do inside the perl script, or > > > everything > > > you need to do outside the perl script. > > > > > > HTH, > > > Ken Wolcott > > > > > > > > > On Wed, Apr 16, 2008 at 5:31 AM, Martin Barth > > > <[EMAIL PROTECTED]> wrote: > > > > > > > i think this is not possible. > > > > > > > > if you start a new process (shell) it gets the environment of > > > its parent > > > > process. but if you manipulate the environment in a child the > > > parent will > > > > not notice this.. > > > > > > > > for example > > > > > > > > $ bash > > > > $ export FOO=BAR > > > > $ echo $FOO > > > > BAR > > > > $ exit > > > > $ echo $FOO > > > > > > > > > > > > Regards Martin > > > > > > > > > > > > On 14:20:18 16/04/2008 <[EMAIL PROTECTED]> wrote: > > > > > I tried the line : $ENV{CCASE_NO_FILE_HEADER} = 'yes'; > > > > > > > > > > But still the value is not getting set. > > > > > > > > > > Please help. > > > > > > > > > > Regards, > > > > > Irfan > > > > > > > > > > Project Lead > > > > > TSINDIA - Production Line > > > > > Individual Software Solutions - UMO > > > > > T-Systems India Private Limited, Pune > > > > > Telephone: +91-20-30245000/25605000 (Extn: 5271) > > > > > Mobile: +91 9822 854 227 > > > > > Fax: +91-020 25674090 > > > > > Internet: http://www.t-systems.com > > > > > > > > > > > > > > > -----Original Message----- > > > > > From: Rodrick Brown [mailto:[EMAIL PROTECTED] > > > > > Sent: Wednesday, April 16, 2008 5:04 PM > > > > > To: Sayed, Irfan > > > > > Cc: beginners@perl.org > > > > > Subject: Re: setting unix command through perl script > > > > > > > > > > On Wed, Apr 16, 2008 at 7:05 AM, <[EMAIL PROTECTED] > m> > > > > > > wrote: Hi All, > > > > > > > > > > > > > > > > > > > > > > > > I need to execute the "export CCASE_NO_FILE_HEADER=yes" > > > > > > command through Perl script. > > > > > > > > > > > > > > > > > > > > > > > > What I did is qx(export CCASE_NO_FILE_HEADER=yes); but > > > > > > still the value for CCASE_NO_FILE_HEADER is not getting > > > > > > set to "yes" > > > > > > > > > > > > > > > > > > Regards, > > > > > > > > > > > > Irfan > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > With Perl you can get and set environment variables through > > > using %ENV > > > > > ie. $ENV{FOO} = 'bar' > > > > > > > > > > -- > > > > > [ Rodrick R. Brown ] > > > > > http://www.rodrickbrown.com > > > > > http://www.linkedin.com/in/rodrickbrown > > > > > > > > > > -- > > > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > http://learn.perl.org/ > > > > > > > > > > > > -- > > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > http://learn.perl.org/ > > > > > > > > > > > > > > > > > > -- > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > http://learn.perl.org/ > > > > > > -- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > http://learn.perl.org/ > > > > > > > > -- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > http://learn.perl.org/ > > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > http://learn.perl.org/ > > > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > http://learn.perl.org/ -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
