On 02/01/2011 04:27 AM, Rick Sewill wrote: > On Tuesday, February 01, 2011 04:13:20 am Adel ESSAFI wrote: >> Hello, >> I have followed the man page of time commande to put a certain output >> format. >> However, time command does not recognise -f option. >> >> Could you help please. >> >> >> >> [adel@localhost generateInstance]$ time -f "%e" ls >> bash: -f: command not found > > There are two separate time commands. > > One is a bash built-in. > To set the format for this time, please set the environment variable, > TIMEFORMAT. Please do "info bash" and search for TIMEFORMAT. > > The other is the time command described by "man time". > To use this time command, please do $(which time) -f "%e" ls > On my system, $(which time) happens to be /usr/bin/time > so I can also do /usr/bin/time -f "%e" ls Quoting a command, even quoting must one character of the command name, will bypass the shell's builtin version: $ \time -f %e sleep 2 2.00 $ -- Bob Nichols "NOSPAM" is really part of my email address. Do NOT delete it. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines