> > I am trying to tell if a program is passing back an error in a Bas= > h > script. I would like to branch on receipt of the error to a wait > statement that will give me about 20 seconds and then retry. > > My trouble is I cannot remember how to detect the error and how to= > > make the shell wait a definite amount of time. Can anyone help me=
The shortest way would be: ------------------------------------------------------------------------ #! /bin/bash while ! program; do sleep 20; done ------------------------------------------------------------------------ This assumes that the program correctly exits wit an error state. HTH, Eric -- E.L. Meijer ([EMAIL PROTECTED]) | tel. office +31 40 2472189 Eindhoven Univ. of Technology | tel. lab. +31 40 2475032 Lab. for Catalysis and Inorg. Chem. (TAK) | tel. fax +31 40 2455054 -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
