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Top Forums Shell Programming and Scripting Parsing the longest match substring Post 302992854 by senhia83 on Thursday 2nd of March 2017 11:50:10 AM
Old 03-02-2017
Hi Don and Rudi,

I am highlighting the part from my original request

Quote:
Also I have a list of scrambled signals which has a shorter string and a longer string separated by // (double slash ). Always the shorter string of a scrambled signal will have the primary signal as a substring and I need to parse out the longest possible primary signal from it.


for this string

Code:
(\\b-[pt22dx]dfdfs/(dsgfspp22dx//[(\pp22dx)-@@----B-@--

only the shorter of the two columns (compared by length separated by //) will have the primary signal, in this case [(\pp22dx)-@@----B-@-- , so the answer is pp22dx.
 

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psignal(3UCB)					     SunOS/BSD Compatibility Library Functions					     psignal(3UCB)

NAME
psignal, sys_siglist - system signal messages SYNOPSIS
/usr/ucb/cc[ flag ... ] file ... void psignal( sig, s); unsigned sig; char *s; char *sys_siglist[]; DESCRIPTION
psignal() produces a short message on the standard error file describing the indicated signal. First the argument string s is printed, then a colon, then the name of the signal and a NEWLINE. Most usefully, the argument string is the name of the program which incurred the sig- nal. The signal number should be from among those found in <signal.h>. To simplify variant formatting of signal names, the vector of message strings sys_siglist is provided; the signal number can be used as an index in this table to get the signal name without the newline. The define NSIG defined in <signal.h> is the number of messages provided for in the table; it should be checked because new signals may be added to the system before they are added to the table. SEE ALSO
perror(3C), signal(3C) NOTES
Use of these interfaces should be restricted to only applications written on BSD platforms. Use of these interfaces with any of the system libraries or in multi-thread applications is unsupported. SunOS 5.10 12 Feb 1993 psignal(3UCB)
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