Sponsored Content
Top Forums Shell Programming and Scripting Process to read a new file entry and execute a command Post 302938000 by joeyg on Wednesday 11th of March 2015 09:16:17 AM
Old 03-11-2015
How do you think you would approach this?

have a program for the following?

LOOP1:
store the current result of a wc-l command (to count lines)
wait x time (sleep)
store a new value for wc-l
if two vars not equal, then execute your command
goto LOOP1

There are other approaches also.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

trying to read batch process but need some command help

I am trying to access batch process that take place each nite. I am using Solaris 5.8 (and i am used to redhat). however I am trying to access say a certain directory. The home/oradev , is the directory...in there i am trying to access say a batch file within this, how can see if they are in... (1 Reply)
Discussion started by: etravels
1 Replies

2. Shell Programming and Scripting

File read & execute problem

Hi folks, Need your help. I am writing a KSH script to read a few commands from a file & execute. I am using the following code to read the file line by line & excute each command. When I am printing each line I see it is printing properly but while excuting, the particular "ps" command... (5 Replies)
Discussion started by: tipsy
5 Replies

3. Shell Programming and Scripting

To execute next UNIX command after ending SFTP process.

Hi, I am trying to run a simple UNIX command after i successfully executed SFTP command as shown below. ----------------------------------------- echo 'Step-1' sftp -vvv -b path exit echo 'Step-2' ------------------------------------------ In above script it executes from the 1st... (3 Replies)
Discussion started by: gautamc
3 Replies

4. Shell Programming and Scripting

the shell not pause when execute read command

Hi, i facing a problem when run the script below.. while do if then printf "Please enter a name : " read response # the problem occur here if then ea_ident=${omc_ident} else # # Check that name does not contain invalid... (14 Replies)
Discussion started by: neruppu
14 Replies

5. Shell Programming and Scripting

How to execute commands read from another file?

Please help with this simple example. I can not figure out how to do it. A file named “job” contains only this one line:var=5I need a script to read the job file and execute it as a command. This is my attempt (it does not work):#!/bin/sh exec < job echo "var = $var"output should read “var = 5”... (5 Replies)
Discussion started by: wolfv
5 Replies

6. Shell Programming and Scripting

Read from file and execute the read command

Hi, I am facing issues with the below: I have a lookup file say lookup.lkp.This lookup.lkp file contains strings delimited by comma(,). Now i want to read this command from file and execute it. So my code below is : Contents in the lookup.lkp file is : c_e,m,a,`cd $BOX | ls cef_*|tail... (7 Replies)
Discussion started by: vital_parsley
7 Replies

7. UNIX for Advanced & Expert Users

Using awk to read a file and process

I am fairly green using awk so I don't have anything started but what I am trying to do is: I have a file called "contacts" and in the file are 3 fields separate by ;. I want to read each line and send an email script. I have the email function working but just need to know how to setup awk to... (8 Replies)
Discussion started by: ziggy6
8 Replies

8. Shell Programming and Scripting

Read line by line and execute command

Hi ALL, I have a requirement like this. 1.GET ALL TABLE NAME (just table name) keep in file 2.Read line by line and get the count of table from tablename files. tablename detail has a sql statement "db2 select tabname from syscat.tables" (1 Reply)
Discussion started by: netdbaind
1 Replies

9. Shell Programming and Scripting

Simpler crontab entry to execute pgm on last day of the month

The following bash command line works for the last day of the month. Test by replacing the 1 with tomorrows day of month number && echo "Day before tomorrow"Can it be used within crontab? As * * 28-31 * * && echo "Today ls last day of month" >>/tmp/crontabtestI tried to test crontab with... (1 Reply)
Discussion started by: lsatenstein
1 Replies

10. Shell Programming and Scripting

Other user should not read the file but can execute

Hi, I have one script for which I want that other user should not read the script file but can execute. Is there any method ? I tried by giving 711 but it gives Permission denied to other users. For Generic User id as a work around , I have created alias in .bashrc file and other user... (4 Replies)
Discussion started by: Amit Joshi
4 Replies
STRACE-LOG-MERGE(1)					      General Commands Manual					       STRACE-LOG-MERGE(1)

NAME
strace-log-merge - merge strace -ff -tt output SYNOPSIS
strace-log-merge STRACE_LOG strace-log-merge --help DESCRIPTION
strace-log-merge merges the output of strace -ff -tt[t] command, prepending PID to each line and sorting the result using time stamp as a key. OPTIONS
--help Show program usage and exit. STRACE_LOG Output file name prefix of files produced by a strace -ff -tt[t] command. EXIT STATUS
0 Success Non-zero Error occurred: either no argument specified (in that case a usage is printed), or something went wrong during the processing of STRACE_LOG.* files. USAGE EXAMPLE
$ strace -o sleepy -ff -tt -e trace=execve,nanosleep sh -c 'sleep 0.1 & sleep 0.2 & sleep 0.3' $ strace-log-merge sleepy | fold -w 72 -s 13475 21:13:52.040837 execve("/bin/sh", ["sh", "-c", "sleep 0.1 & sleep 0.2 & sleep 0."...], 0x7ffde54b2450 /* 33 vars */) = 0 13478 21:13:52.044050 execve("/bin/sleep", ["sleep", "0.3"], 0x5631be4f87a8 /* 33 vars */) = 0 13476 21:13:52.044269 execve("/bin/sleep", ["sleep", "0.1"], 0x5631be4f87a8 /* 33 vars */) = 0 13477 21:13:52.044389 execve("/bin/sleep", ["sleep", "0.2"], 0x5631be4f87a8 /* 33 vars */) = 0 13478 21:13:52.046207 nanosleep({tv_sec=0, tv_nsec=300000000}, NULL) = 0 13476 21:13:52.046303 nanosleep({tv_sec=0, tv_nsec=100000000}, NULL) = 0 13477 21:13:52.046318 nanosleep({tv_sec=0, tv_nsec=200000000}, NULL) = 0 13476 21:13:52.146852 +++ exited with 0 +++ 13475 21:13:52.146942 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13476, si_uid=1000, si_status=0, si_utime=0, si_stime=0} --- 13477 21:13:52.247782 +++ exited with 0 +++ 13475 21:13:52.247885 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13477, si_uid=1000, si_status=0, si_utime=0, si_stime=0} --- 13478 21:13:52.347680 +++ exited with 0 +++ 13475 21:13:52.347786 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13478, si_uid=1000, si_status=0, si_utime=0, si_stime=0} --- 13475 21:13:52.348069 +++ exited with 0 +++ NOTES
strace-log-merge does not work well with strace logs generated by strace -tt invocation that pass midnight, as those lack the information required for the proper sorting. Employing the -ttt option in the respective strace invocation should solve the problem. BUGS
strace-log-merge does not perform any checks whether the files specified are in the correct format and implies that only files from a sin- gle strace session match STRACE_LOG.* glob pattern. HISTORY
The initial version of strace-log-merge was written by Denys Vlasenko in 2012. REPORTING BUGS
Problems with strace-log-merge should be reported to the strace mailing list at <strace-devel@lists.sourceforge.net>. SEE ALSO
strace(1) strace UNKNOWN 2018-04-11 STRACE-LOG-MERGE(1)
All times are GMT -4. The time now is 03:35 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy