HI
I have something like this in a file
ABC = 1
DEF = 2
GHI = 3
JKL = 4
MNO = 5
QRS = 6
TUV = 7
I need to assign ABC to V_abc (that is to a variable)
GHI to V_ghi (that is to another variable)
TUV to say V_tuv
... (6 Replies)
I have this portion of a script and it works:
base_config="A B C D E"
for field in $base_config
do
var=`echo $field`
((i=$i+1))
done
I get an array of var=A, var=B, and so on.
What if I have this example with white space and want to put it into an array while... (1 Reply)
Hi
I want to give the user the choice of whether or not they want to include a certain option when they run the script.
This is my getops:
while getopts " s: d: r f: e h " option
do
case $option in
f ) dsxfile="$OPTARG";;
d ) dbname="$OPTARG";;
s ) dsn="$OPTARG";;
r )... (0 Replies)
Hi
I have a file in the following format
AFUE 0.
AOXI 0.
VFUE 100.0
VOXI 274.601
TFUE 298.
TOXI 2229.544
TMAX 2400.
What I want to do is write a bash script, that use either perl/awk or sed to read the number after VFUE and VOXI (which is 100.0 and... (1 Reply)
I need help reading and summing some values in a file that looks like the following. This is an Oracle trace file. Oracle has as utility to do this,but it doesn't work properly unless my sql statement is done. I want to read the file and sum up some values to let me know how the query/job is... (0 Replies)
I'm having trouble with a simple piece of code.
IFS=,
echo "1,2,3,4,5,6,7,8" | while read x y
do
echo "x=$x"
echo "y=$y"
done
I'm hoping for
x=1
y=2
x=3
y=4
.
.
.
but I'm getting
x=1 (3 Replies)
I have sql query in shell script.
select distinct account_no from adj order by account_no;
This query returns account number daily.Sometimes it may return 90 rows sometime it may return 1 row only and someday it may return 0 rows
I am storing the output of this query in sql_output.txt.
... (5 Replies)
Hi all,
I have written a perl code and stored the data into Data structure using Data::Dumper module.
But not sure how to retreive the data from the Data::Dumper.
Eg.
Based on the key value( Here CRYPTO-6-IKMP_MODE_FAILURE I should be able to access the internal hash elements(keys) ... (1 Reply)
Hi,
I have a large output file (star.log), with many lines of the following type
*** T vavg unburnt: 723.187 / burnt: 2662.000
What I would like to do is pick the values 723.187 and 2662.000 and
What I've got so far is
awk '/unburnt:.*burnt:/{Tu=$6;Tb=$NF}END{print Tu, Tb}'... (6 Replies)
Hi gurus..
Am reading a file, counting number of lines and storing it in a variable. Then am passing that variable into If loop for comparision, if the number of lines are greater than 1000 it should split a file if not it should send the file name to archive folder.. but when i execute the... (4 Replies)
Discussion started by: azherkn3
4 Replies
LEARN ABOUT DEBIAN
explain_select_or_die
explain_select_or_die(3) Library Functions Manual explain_select_or_die(3)NAME
explain_select_or_die - blah blah and report errors
SYNOPSIS
#include <libexplain/select.h>
void explain_select_or_die(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
DESCRIPTION
The explain_select_or_die function is used to call the select(2) system call. On failure an explanation will be printed to stderr,
obtained from explain_select(3), and then the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following example:
explain_select_or_die(nfds, readfds, writefds, exceptfds, timeout);
nfds The nfds, exactly as to be passed to the select(2) system call.
readfds The readfds, exactly as to be passed to the select(2) system call.
writefds
The writefds, exactly as to be passed to the select(2) system call.
exceptfds
The exceptfds, exactly as to be passed to the select(2) system call.
timeout The timeout, exactly as to be passed to the select(2) system call.
Returns:
This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO select(2)
blah blah
explain_select(3)
explain select(2) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52
Copyright (C) 2008 Peter Miller
explain_select_or_die(3)