Sponsored Content
Top Forums Shell Programming and Scripting Unix Script Help - to grep an output and compute Post 302558143 by itkamaraj on Thursday 22nd of September 2011 11:36:05 PM
Old 09-23-2011
Code:
 
value=$(swap -s | nawk '{print substr($11,1,length($11)-1)}')
[ "$value -le "10000000" ] && mail -s "swap availability is $value" abcd@abcd.com < /dev/null || echo "swap availability is fine"

This User Gave Thanks to itkamaraj For This Post:
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

how to get the output of a grep command to a file inside a shell script

hi, i wat to get the output of a grep command in a file. but when i am trying out the same grep command in the unix prompt its working fine.. i am getting the output properly.. but when i am writing the same command inside my shell script , its just creating a new output file with no contents... (1 Reply)
Discussion started by: kripssmart
1 Replies

2. Shell Programming and Scripting

how to redirect the output of a grep command to a file inside a shell script

hi, i wat to get the output of a grep command in a file. but when i am trying out the same grep command in the unix prompt its working fine.. i am getting the output properly.. but when i am writing the same command inside my shell script , its just creating a new output file with no contents... (11 Replies)
Discussion started by: kripssmart
11 Replies

3. Shell Programming and Scripting

compute compilation time using script

Hi, I use this script to compute compilation time several time to get system performance and compare different system: #!/bin/sh # measure the different between time before and # after the compilation of benchmark # Start at iteration 1 num=1 while do # Add one to the iteration... (3 Replies)
Discussion started by: zainab
3 Replies

4. UNIX for Dummies Questions & Answers

| Help | unix | grep | sort | uniq - Different output from what I thought would be the same

Hello, I'm having an consistency issue.... grep 'a' /usr/share/dict/words 1) This will highlight every 'a' in each word. grep 'a\{1,\}' /usr/share/dict/words 2) This will highlight 'a' if it occurs at least once in a sequence. So every 'a'. Output of 1) I would... (1 Reply)
Discussion started by: MykC
1 Replies

5. Shell Programming and Scripting

ksh script to process grep output

Hi, I would like to know how can i pipe the following output of grep into a predefined output format This is the output of the grep command grep record *.txt | sort -r 2010-04-28-11-12-21.txt:C The user has created a record 2010-04-29-10-18-41.txt:U The user has updated a record... (8 Replies)
Discussion started by: alienated
8 Replies

6. Shell Programming and Scripting

Grep Stop status from the output of script and send an eamil alert.

Hello Team, I have script which gives below output. Server clustServer11 is in a STARTED state Server clustServer12 is in a STOPPED state Server clustServer21 is in a STOPPED state I would like to prepare script which will grep stop word from the above output and send an email alert. (5 Replies)
Discussion started by: coolguyamy
5 Replies

7. Shell Programming and Scripting

Shell Script to grep output from top command.

Hello, I want a script which would grep details from top command for specific processes. I m not sure of the PID of these processes but i know the names. $ top -c top - 16:41:55 up 160 days, 5:53, 2 users, load average: 9.36, 9.18, 8.98 Tasks: 288 total, 9 running, 279 sleeping, 0... (8 Replies)
Discussion started by: Siddheshk
8 Replies

8. Shell Programming and Scripting

How do I use grep output in an expect script?

Hi, I am using expect to ssh to a remote host and run a program on the remote machine which has a variable runtime. I need to wait until it finishes so I can grab the output file of this program. I am trying to use the output of grep to know when the process finishes. I am trying to capture... (0 Replies)
Discussion started by: vagabond1964
0 Replies

9. Shell Programming and Scripting

Shell or awk script to compute average of all the points within a circle

HI Help, I have a file which looks like below --- Input file ---> 1970113.00000 3460.00000 1.09516 1970116.00000 3791.00000 1.06350 1970120.00000 4120.00000 1.07588 1970115.00000 4450.00000 1.09591 1970116.00000 4780.00000 1.09965 1970120.00000 5109.00000 1.06733 ... (7 Replies)
Discussion started by: Indra2011
7 Replies

10. Shell Programming and Scripting

Redirect script output to file after grep

i have simple program that generate log file 1 line every sec, i need to do grep for specific record then redirect to another file. #!/bin/bash for i in `seq 1 20`; do echo $i sleep 1 done ./test.sh |egrep "5|10|15" 5 10 15 r ./test.sh... (2 Replies)
Discussion started by: before4
2 Replies
STRCSPN(3)								 1								STRCSPN(3)

strcspn - Find length of initial segment not matching mask

SYNOPSIS
int strcspn (string $str1, string $str2, [int $start], [int $length]) DESCRIPTION
Returns the length of the initial segment of $str1 which does not contain any of the characters in $str2. PARAMETERS
o $str1 - The first string. o $str2 - The second string. o $start - The start position of the string to examine. o $length - The length of the string to examine. RETURN VALUES
Returns the length of the segment as an integer. EXAMPLES
Example #1 strcspn(3) example <?php $a = strcspn('abcd', 'apple'); $b = strcspn('abcd', 'banana'); $c = strcspn('hello', 'l'); $d = strcspn('hello', 'world'); var_dump($a); var_dump($b); var_dump($c); var_dump($d); ?> The above example will output: int(0) int(0) int(2) int(2) NOTES
Note This function is binary-safe. SEE ALSO
strspn(3). PHP Documentation Group STRCSPN(3)
All times are GMT -4. The time now is 09:27 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy