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Check if all lines in a file are in the same format
I wish this help you I would like to wrote a little shell script that permit to check if all lines on a file has the same number of ; , Rather than printing output, return a value. eg
TAG :linux
Date : August 04 2020, 07:00 AM , By : Jason Cody
'strace vim/nano' (Ubuntu)
Hope this helps You're tracing an application that is trying to control the window at the same time strace is logging to that window. Instead, try this:In window 1, run:
TAG :linux
Date : August 04 2020, 07:00 AM , By : Holger Nielsen
copying all the .tar and .tar.bz2 file systems from all the sub-directories into another directory
This might help you Imagine that i have lots of sub-directory in a sub-directory in a directory I wanted to copy all the .tar and .tar.bz2 extension files from all the sub-directories into another directory. , You may use:
TAG :linux
Date : August 04 2020, 12:00 AM , By : Paranidharan Thangav
How to extract a field which has value greater than a number using AWK or SED
Hope that helps From gawk docs:
TAG :linux
Date : August 03 2020, 06:00 PM , By : Joe Savella
Replace substring in shell script
To fix the issue you can do I have a string "st xxx street st st" and i want to change to "street xxx street street street". I can replace middle st, but how can i replace others. Here is my code so far: , Try using sed if that is possible:
TAG :linux
Date : August 02 2020, 08:00 PM , By : Bob jones
The do-until emulation in bash not working
this will help Rather than comparing $password in two separate places, I think that it would make more sense to use the return code of your function to indicate whether the check is successful or not:
TAG :linux
Date : August 01 2020, 04:00 AM , By : Angelia Gunawan
Getting root permissions on a file inside of vi?
hop of those help? Often while editing config files, I'll open one with vi and then when I go to save it realize that I didn't type , % is replaced with the current file name, thus you can use:
TAG :linux
Date : July 26 2020, 03:25 AM , By : ThomasJ
error_log per Virtual Host?
may help you . To set the Apache (not the PHP) log, the easiest way to do this would be to do:
TAG :linux
Date : March 29 2020, 07:55 AM , By : droom
Is gettimeofday() guaranteed to be of microsecond resolution?
I wish this help you Maybe. But you have bigger problems. gettimeofday() can result in incorrect timings if there are processes on your system that change the timer (ie, ntpd). On a "normal" linux, though, I believe the resolution of gettimeofday() i
TAG :linux
Date : March 29 2020, 07:55 AM , By : John Masiwe
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