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Full Discussion: Specifying patterns to egrep or awk
Top Forums Shell Programming and Scripting Specifying patterns to egrep or awk Post 302930969 by RavinderSingh13 on Friday 9th of January 2015 12:39:08 AM
Old 01-09-2015
Hello SkySmart,

I have made a test file as follows just an example, if there is any change or additional information please let me know.
Input_file:
Code:
cat test144
kernel 1234teg media %%4$3@#@gdeyfceb error 1wiyd78t2f52fd)*& bad sector 13693hedh73 status=0x 398r98hfhvr3f DriveReady h3fyg3v SeekComplete @426t3d Error
kernel 243987r2ufh4fh end_request $#:@~! I/O khdwc87e6f7fg error 3513671grftwqhg!@#$vhdc dev e321r2f2fv35 sector

Now following code will look for all strings not the alpha numeric characters in between the words which you need to search as follows.
Code:
awk -vs1="kernel media error bad sector status=0x DriveReady SeekComplete Error" 'BEGIN{split(s1, A);s2=length(A)} {for(i=1;i<=NF;i++){S=$i;for(j in A){if(S ~ A[j]){++f;delete A[j]}}};} END{;if(f==s2){print "ERROR LINE FOUND COMPLETLY"}}'  test144

Output will be as follows.
Code:
ERROR LINE FOUND COMPLETLY

Similarly you can add more lines for monitoring either they are present or not into the script.

Thanks,
R. Singh
 

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LEARN ABOUT XFREE86

iswdigit

ISWDIGIT(3)						     Linux Programmer's Manual						       ISWDIGIT(3)

NAME

       iswdigit - test for decimal digit wide character

SYNOPSIS

       #include <wctype.h>

       int iswdigit(wint_t wc);

DESCRIPTION

       The  iswdigit() function is the wide-character equivalent of the isdigit(3) function.  It tests whether wc is a wide character belonging to
       the wide-character class "digit".

       The wide-character class "digit" is a subclass of the wide-character class "xdigit", and therefore also a subclass  of  the  wide-character
       class "alnum", of the wide-character class "graph" and of the wide-character class "print".

       Being a subclass of the wide character class "print", the wide-character class "digit" is disjoint from the wide-character class "cntrl".

       Being  a  subclass  of the wide-character class "graph", the wide-character class "digit" is disjoint from the wide-character class "space"
       and its subclass "blank".

       Being a subclass of the wide-character class "alnum", the wide-character class "digit" is disjoint from the wide-character class "punct".

       The wide-character class "digit" is disjoint from the wide-character class "alpha" and therefore also disjoint from its subclasses "lower",
       "upper".

       The wide-character class "digit" always contains exactly the digits '0' to '9'.

RETURN VALUE

       The  iswdigit()	function  returns  nonzero if wc is a wide character belonging to the wide-character class "digit".  Otherwise, it returns
       zero.

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       +-----------+---------------+----------------+
       |Interface  | Attribute	   | Value	    |
       +-----------+---------------+----------------+
       |iswdigit() | Thread safety | MT-Safe locale |
       +-----------+---------------+----------------+
CONFORMING TO

       POSIX.1-2001, POSIX.1-2008, C99.

NOTES

       The behavior of iswdigit() depends on the LC_CTYPE category of the current locale.

SEE ALSO

       isdigit(3), iswctype(3)

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/.

GNU
								    2015-08-08							       ISWDIGIT(3)
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