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Shell Programming and Scripting
Sequential comparison (one row with file and so on)
Post 302321504 by Gery on Monday 1st of June 2009 10:53:31 AM
06-01-2009
Sequential comparison (one row with file and so on)
Dear linux experts,
I'd like to ask for your support, I've read some posts in this forum about files comparison but haven't found what I'm looking for. I need to create a sequential script to compare row-by-row one file with 34 similar files but without success so far. This is what I get:
I need to compare the first row of base file with each row of file 1. Then, compare the second row of the base file with each row of file 1, and so on in the same way. When both values are the same, I need these values to be displayed in the screen (my bash shell). For instance in the above example, it should appear in the screen "889935.66 9554656.32 -88.5" after the first scan, after the second scan it should appear "5584452.22 4455874.12 -714.2".
I will be really grateful if you can help me,
Best regards,
Gery
I'd like to ask for your support, I've read some posts in this forum about files comparison but haven't found what I'm looking for. I need to create a sequential script to compare row-by-row one file with 34 similar files but without success so far. This is what I get:
I need to compare the first row of base file with each row of file 1. Then, compare the second row of the base file with each row of file 1, and so on in the same way. When both values are the same, I need these values to be displayed in the screen (my bash shell). For instance in the above example, it should appear in the screen "889935.66 9554656.32 -88.5" after the first scan, after the second scan it should appear "5584452.22 4455874.12 -714.2".
I will be really grateful if you can help me,
Best regards,
Gery
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LEARN ABOUT DEBIAN
fstrcoll
fstrcoll(3) Library Functions Manual fstrcoll(3) NAME
fstrcoll - fuzzy comparison of two strings using the current locale SYNOPSIS
#include <fstrcmp.h> #define FSTRCMP_IDENTICAL #define FSTRCMP_THRESHOLD #define FSTRCMP_ERROR double fstrcoll(const char *string1, const char *string2); DESCRIPTION
The strcoll() function compares the two strings sting1 and string2. The comparison is based on strings interpreted as appropriate for the program's current locale for category LC_CTYPE. RETURN VALUE
The fstrcoll function returns a floating point value between 0.0 and FSTRCMP_IDENTICAL. A value of 0.0 means the strings are utterly un- alike. A value of FSTRCMP_IDENTICAL means the strings are identical. A value of more than FSTRCMP_THRESHOLD (it lies between 0.0 and FSTRCMP_IDENTICAL) would be considered "similar" by most people. A value of FSTRCMP_ERROR (always negative) indicates a malloc(3) or mbstowcs(3) failure. SEE ALSO
fstrcmp(3) fuzzy comparison of two strings fstrcolli(3) fuzzy comparison of two strings using the current locale strcoll(3) compare two strings using the current locale mbstowcs(3) convert a multibyte string to a wide-character string 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 fstrcoll(3)