http://www.linuxquestions.org/questions/linux-general-1/at-warning-commands-will-be-executed-using-bin-s-491520/
#1 | |
Member Registered: Nov 2005 Posts: 90 Rep: ![]() | at - warning: commands will be executed using /bin/s [Log in to get rid of this advertisement] Hello, is there a way to switch off the stupid output of at "warning: commands will be executed using /bin/s"? I have tried to send the stderr output to /dev/null, this works but the text with the job number is also send to /dev/null! So I'am looking for a switch to tell at that I dont'need this warning! Thanks R |
RGummi |
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![]() | #2 |
Senior Member Registered: Sep 2003 Location: the Netherlands Distribution: lfs Posts: 4,820 Rep: ![]() | Hi, You need to tell at which shell to use (/bin/s is not a valid shell, you should look into this!) Use one of the following to tell at which shell to use (if present): -c C shell. csh(1) is used to execute the at-job. -k Korn shell. ksh(1) is used to execute the at-job. -s Bourne shell. sh(1) is used to execute the at-job. If you do not use one of the above the value of the SHELL variable will be used (which probably points to /bin/s, which is incorrect). man at for details. Hope this helps. |
druuna |
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Member Registered: Nov 2005 Posts: 90 Original Poster Rep: ![]() | Hi, yes you are right! It says "warning: commands will be executed using /bin/sh" I have tried at -s but it says -s is an invalid option. man at does not say anything about -s, -c -k option. at -V says at version 3.1.8 R |
RGummi |
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Senior Member Registered: Nov 2004 Distribution: Debian, Ubuntu, Slackware, Slax, Knoppix, SysrescueCD Posts: 1,328 Rep: ![]() | Here's how I'd do it: Code: $ echo 'echo hello >/dev/null' | at now + 2 min >/dev/null 2>&1 Then come back later to investigate what you need: Code: $ at -l $ at -c <jobnumber> $ atrm <jobnumber> The second shows the details of a specific jobnumber The third deletes a specific jobnumber [edit] p.s. - If you want a one-liner that mimics what you are asking to do, here's one: Code: echo "echo hello > /dev/null" | at now + 2 min 2>/dev/null; at -l | tail -n1 Last edited by haertig; 10-12-2006 at 02:01 PM. |
haertig |
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Member Registered: Nov 2005 Posts: 90 Original Poster Rep: ![]() | Hi, thanks! now I do the following: echo $cmd | at $time $date 2>&1 | tail -n 1 this is perfect! ![]() RGummi |