10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I want to implement the below formula with awk oneliner
new_value = ((old_value - old_min) / (old_max - old_min) ) * (new_max - new_min) + new_min
I want to pass the value of old_min and old_min as variable. Here is what I did for this
old_min=$(awk 'BEGIN{a=100000000000}{if ($10<0+a) a=$10}... (2 Replies)
Discussion started by: sammy777888
2 Replies
2. Shell Programming and Scripting
Hello,
How can I add a logic to awk to tell it to print 0 when encountering a division by zero attempted? Below is the code. Everything in the code works fine except the piece that I want to calculate read/write IO size. I take the kbr / rs and kbw / ws. There are times when the iostat data... (5 Replies)
Discussion started by: tommyd
5 Replies
3. Shell Programming and Scripting
root@server01 # df -h | grep /tmp | awk {'print $3}'
252M
root@server01 #
root@server01 # cat /usr/local/tmpchk.sh
#!/bin/sh
x=`df -h | grep /tmp | awk {'print $3}'`
if ;
then
rm -fr /tmp/somefolder/
else
echo "its small" (2 Replies)
Discussion started by: fed.linuxgossip
2 Replies
4. Shell Programming and Scripting
I have written the following shell script for submitting check to nagios .It was working fine a few hours ago.I don remember what changes i made and its giving integer expression expected error.
#!/bin/bash
#$PGREP ${SSHD}
if ]
then
echo "ssh down"
... (1 Reply)
Discussion started by: nasir_khan
1 Replies
5. Shell Programming and Scripting
input
0 0 9820373 2069 0 0 11485482
awk '{print ($1/$3) / ($4/$7)}' input
error
Is there any way to fix this problem ? (25 Replies)
Discussion started by: quincyjones
25 Replies
6. Shell Programming and Scripting
Hi,
I'm executing unixbench tool v4.1 on an embedded system and I'm getting these error messages:
Execl Throughput 1 2 3awk: /unixbench/unixbench-4.1.0/pgms/loops.awk:38: (FILENAME=- FNR=4) fatal: division by zero attempted
Pipe Throughput 1 2 3 4 5 6 7 8 9 10awk:... (3 Replies)
Discussion started by: rogelio
3 Replies
7. Shell Programming and Scripting
How can I modify my awk code to get rid of the divion by zero error message? If I run the script without an input file, it should return error message "Input file missing" but not divison by zero.
Code:
#!/bin/nawk -f
BEGIN {
if (NR == 0)
{print "Input file... (4 Replies)
Discussion started by: Pauline mugisha
4 Replies
8. Shell Programming and Scripting
I created a bash script that ran fine for awhile on a nightly crontab but then started crashing with commands not found, so I added
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/home/homedir/scripts/myscriptdir
export PATH
and now I don't get those errors, but... (2 Replies)
Discussion started by: unclecameron
2 Replies
9. Shell Programming and Scripting
Hi,
I am writing a script that among other things will be checking for various files on mount points. One of the conditions is that unless the server has failed over the df command will show root ( / ). If when checking the files the script comes across /, I want it to skip it, otherwise to... (2 Replies)
Discussion started by: cat55
2 Replies
10. Shell Programming and Scripting
I'm a beginner so I might make beginner mistakes.
I want to count the "#define" directives in every .C file
I get the following errors:
./lab1.sh: line 5: ndef: command not found
./lab1.sh: line 6:
#!/bin/sh
for x in *.
do
ndef = 'grep -c \#define $x'
if ; then
... (2 Replies)
Discussion started by: dark_knight
2 Replies