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Shell Programming and Scripting
advanced awk
Post 302409288 by radoulov on Wednesday 31st of March 2010 03:03:10 PM
03-31-2010
Quote:
Code:
BEGIN { # do not put BEGIN on a line by itself
i = 0 # no need to initialize the counter,
# awk does this automatically
}
{
if (NF == 2) {
currgrp = $1
if ($2 ~ uname) {
netgroups[i] = currgrp # you shoud check if the username matches
i ++ # when NF == 2 too
}
}
else
{
if ($1 ~ uname) { # /uname/ matches litteral "uname"
netgroups[i] = currgrp
i ++
}
}
}
END { # do not put END on a line by itself
for(j = 0; j < i;j ++)
{
print netgroups[j] # j not i!
}
}|
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LEARN ABOUT MOJAVE
optisa
optisa(1) User Commands optisa(1) NAME
optisa - determine which variant instruction set is optimal to use SYNOPSIS
optisa instruction_set... DESCRIPTION
optisa prints which instruction_set out of the ones specified in the command will perform best on this machine. In this case, ``best'' is defined by the order in which instruction set names are returned by isalist(1). Possible values for instruction_set are given in isalist(5). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ EXIT STATUS
The following exit values are returned: 0 One of the instruction_set values you specified is printed by this command. 1 There is no output; that is, this machine cannot use any instruction_set that you specified with the optisa command. SEE ALSO
isalist(1), uname(1), attributes(5), isalist(5) NOTES
optisa is preferable to uname -p or uname -m (see uname(1)) in determining which of several binary versions of a given program should be used on the given machine. SunOS 5.10 25 Jul 1997 optisa(1)