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Full Discussion: Compare 2 Strings
Top Forums Shell Programming and Scripting Compare 2 Strings Post 302976683 by zaxxon on Monday 4th of July 2016 01:37:40 AM
Old 07-04-2016
You could strip all but the numbers from the strings first and then compare like this example:
Code:
$ echo V_1_4_4_b1 V_1_5_1_RC_b1 | tr -d '[:alpha:]_'
1441 1511

 

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fstrcmpi(3)						     Library Functions Manual						       fstrcmpi(3)

NAME
fstrcmpi - fuzzy comparison of two strings SYNOPSIS
#include <fstrcmp.h> #define FSTRCMPI_IDENTICAL #define FSTRCMPI_THRESHOLD #define FSTRCMPI_ERROR int fstrcmpi(const char *string1, const char *string2); DESCRIPTION
The fstrcmpi() function compares the two strings, string1 and string2. RETURN VALUE
The fstrcmpi function returns an int value between 0 and FSTRCMPI_IDENTICAL. A value of 0 means the strings are utterly un-alike. A value of FSTRCMPI_IDENTICAL means the strings are identical. A value of more than FSTRCMPI_THRESHOLD (it lies between 0 and FSTRCMPI_IDENTICAL) would be considered "similar" by most people. A value of FSTRCMPI_ERROR (always negative) indicates a malloc(3) failure. SEE ALSO
fstrcasecmpi(3) compare two strings ignoring case fstrcmp(3) fuzzy comparison of two strings fmemcmp(3) fuzzy comparison of two memory areas strcmp(3) compare two strings COPYRIGHT
fstrcmp version 0.4 Copyright (C) 2009 Peter Miller Peter Miller <pmiller@opensource.org.au> The comparison code is derived from the fuzzy comparison functions in GNU Gettext 0.17. The GNU Gettext comparison functions were, in turn, derived from GNU Diff 2.7. Copyright (C) 1988-2009 Free Software Foundation fstrcmpi(3)
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