03-02-2020
Thank you very much
.
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1. Shell Programming and Scripting
Hi I'm new to this forum and I'm a beginner when it comes to shell and awk programming. But I have the following problem:
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Please see attached test file for better explanation and formatting of files....thanks
foo1
H2600 LINE:
H2600
H2600
H2600 MYSystems Ltd. (Feb 18 2009)
V1760R1130 1 2213133522.79N 81 027.09E 500814.01502345.9 145 9 837
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3. Shell Programming and Scripting
hi everyone,
# cat a
a 10%
b 25.5%
c 91%
d 50%
# cat a | awk '$2 >= 90%; END {print $_}'
awk: $2 > 90%; END {print $_}
awk: ^ syntax error
awk: each rule must have a pattern or an action part
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My item was not answered on previous thread as code given did not work
I wanted to print records from file2 where comparing column 1 and 16 for both files find rows where column 16 in file 1 does not match column 16 in file 2
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Hi All,
Thanks all for the continued support so far.
Today, I need to find the most occurring string/number(also called mode in statistics terminology) for each column in a data file (.csv type).
For one column of data(1.txt) like below
Sample
1
2
2
3
4
1
1
1
2
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Hi,
I need some help on how to print the whole data for unmatched pattern. i have 2 different files that need to be checked and print out the unmatched patterns into a new file. My sample data as follows:-
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Id Num Activity Class Type
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In the file below I am trying to extract a specific instance of path, if the adjacent plugin": "/rundb/api/v1/plugin/49/. Thank you :).
file
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file
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10. Shell Programming and Scripting
Hi Folks,
I have one requirement, There is one file, which contains two fields.
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Example will be more suitable.
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abc 5
abc 10
xyz 6
xyz 9
xyz 10
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LEARN ABOUT CENTOS
sigsetjmp
SETJMP(3) Linux Programmer's Manual SETJMP(3)
NAME
setjmp, sigsetjmp - save stack context for nonlocal goto
SYNOPSIS
#include <setjmp.h>
int setjmp(jmp_buf env);
int sigsetjmp(sigjmp_buf env, int savesigs);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
setjmp(): see NOTES.
sigsetjmp(): _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_C_SOURCE
DESCRIPTION
setjmp() and longjmp(3) are useful for dealing with errors and interrupts encountered in a low-level subroutine of a program. setjmp()
saves the stack context/environment in env for later use by longjmp(3). The stack context will be invalidated if the function which called
setjmp() returns.
sigsetjmp() is similar to setjmp(). If, and only if, savesigs is nonzero, the process's current signal mask is saved in env and will be
restored if a siglongjmp(3) is later performed with this env.
RETURN VALUE
setjmp() and sigsetjmp() return 0 if returning directly, and nonzero when returning from longjmp(3) or siglongjmp(3) using the saved con-
text.
CONFORMING TO
C89, C99, and POSIX.1-2001 specify setjmp(). POSIX.1-2001 specifies sigsetjmp().
NOTES
POSIX does not specify whether setjmp() will save the signal mask. In System V it will not. In 4.3BSD it will, and there is a function
_setjmp that will not. By default, Linux/glibc follows the System V behavior, but the BSD behavior is provided if the _BSD_SOURCE feature
test macro is defined and none of _POSIX_SOURCE, _POSIX_C_SOURCE, _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _GNU_SOURCE, or _SVID_SOURCE is
defined.
If you want to portably save and restore signal masks, use sigsetjmp() and siglongjmp(3).
setjmp() and sigsetjmp() make programs hard to understand and maintain. If possible an alternative should be used.
SEE ALSO
longjmp(3), siglongjmp(3)
COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
2009-06-26 SETJMP(3)