HELP : awk substr Post: 302943556

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1. Shell Programming and Scripting

awk substr?

Sorry if this has been posted before, I searched but not sure what I really want to do. I have a file with records that show who has logged into my application: 2003-03-14:I:root: Log_mesg: registered servername:userid. (more after this) I want to pull out the userid, date and time into...

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How to use awk substr ?

Hi all, I have a flatfile I would like to get ext = 7950 , how do I do that ? if ($1 == "CTI-ProgramStart") { ext = substr($9,index($9,"Extension")+11,4); But why it is not working ???? Please help . Thanks

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awk or substr

i have a variable 200612 the last two digits of this variable should be between 1 and 12, it should not be greater than 12 or less than 1 (for ex: 00 or 13,14,15 is not accepted) how do i check for this conditions in a unix shell script. thanks Ram

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awk substr

Hi I have multiple files that name begins bidb_yyyymm. (yyyymm = current year month of file creation). What I want to do is look at the files and where yyyymm is older than 1 month I want to remove the file from the server. I was looking at looping through the files and getting the yyyymm...

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substr first element using awk

I have a variable '$test' that has the following string value: $test = 123|456|789|0123 How would I select just the first element ('123') using awk. Note: '|' is the delimiter, and the length of each field can vary. Thanks, - CB

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Help with awk and substr

I have the following to find lines matching "COMPLETE" and extract parts of it using substr. sed -n "/COMPLETE/p" 1.txt | awk 'BEGIN { FS = "\" } {printf"%s %s:%s \n", substr($3,17,3),substr($6,4,1), substr($7,4,1)}' | sort | uniq > temp.txt Worked fine until the numbers in 2nd & 3rd substr...

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awk substr

HI I am using awk and substr function to list out the directory names in the present working directory . I am using below code ls -l | awk '{ if ((substr($1,1,1)) -eq d) {print $9 }}' But the problem is i am getting all the files and directories listed where as the requirement i wrote...

8. Shell Programming and Scripting

Substr with awk

Hi to all, I'm here again, cause I need your help to solve another issue for me. I have some files that have this name format: date_filename.csv In my shell I must rename each file removing the date so that the file name is filename.csv To do this I use this command: fnames=`ls ${fname}|...

9. Shell Programming and Scripting

awk substr

Hello life savers!! Is there any way to use substr in awk command for returning one part of a string from declared start and stop point? I mean I know we have this: substr(string, start, length) Do we have anything like possible to use in awk ? : substr(string, start, stop) ...

10. Shell Programming and Scripting

awk and substr

Hello All; I have an input file 'abc.txt' with below text: 512345977,213458,100021 512345978,213454,100031 512345979,213452,100051 512345980,213455,100061 512345981,213456,100071 512345982,213456,100091 512345983,213457,100041 512345984,213451,100011 I need to paste the first field...

LEARN ABOUT PLAN9

inotify_rm_watch

INOTIFY_RM_WATCH(2)					     Linux Programmer's Manual					       INOTIFY_RM_WATCH(2)

NAME

       inotify_rm_watch - remove an existing watch from an inotify instance

SYNOPSIS

       #include <sys/inotify.h>

       int inotify_rm_watch(int fd, int wd);

DESCRIPTION

       inotify_rm_watch()  removes the watch associated with the watch descriptor wd from the inotify instance associated with the file descriptor
       fd.

       Removing a watch causes an IN_IGNORED event to be generated for this watch descriptor.  (See inotify(7).)

RETURN VALUE

       On success, inotify_rm_watch() returns zero.  On error, -1 is returned and errno is set to indicate the cause of the error.

ERRORS

       EBADF  fd is not a valid file descriptor.

       EINVAL The watch descriptor wd is not valid; or fd is not an inotify file descriptor.

VERSIONS

       Inotify was merged into the 2.6.13 Linux kernel.

CONFORMING TO

       This system call is Linux-specific.

SEE ALSO

       inotify_add_watch(2), inotify_init(2), inotify(7)

COLOPHON

       This page is part of release 4.15 of the Linux man-pages project.  A description of the project, information about reporting bugs, and  the
       latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

Linux								    2017-09-15						       INOTIFY_RM_WATCH(2)

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LEARN ABOUT PLAN9

inotify_rm_watch