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Top Forums Shell Programming and Scripting if condition-integer expression expected Post 302587778 by tene on Friday 6th of January 2012 01:57:19 AM
Old 01-06-2012
Quote:
Originally Posted by vivek d r
hey last time i checked -gt, -eq, -lt etc are used for integer comparison and !=, == etc are used for string comparison.... how can a string compare -gt (greater than) or -lt (less than)

Code:
http://www.freeos.com/guides/lsst/ch03sec02.html

It was a typo. I corrected.
 

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strneqvcmp(3)							Programmer's Manual						     strneqvcmp(3)

NAME
strneqvcmp - compare two strings with an equivalence mapping SYNOPSIS
#include <your-opts.h> cc [...] -o outfile infile.c -lopts [...] int strneqvcmp(char const* str1, char const* str2, int ct); DESCRIPTION
Using a character mapping, two strings are compared for "equivalence". Each input character is mapped to a comparison character and the mapped-to characters are compared for the two NUL terminated input strings. The comparison is limited to ct bytes. This function name is mapped to option_strneqvcmp so as to not conflict with the POSIX name space. str1 first string str2 second string ct compare length RETURN VALUE
the difference between two differing characters ERRORS
none checked. Caller responsible for seg faults. SEE ALSO
The info documentation for the -lopts library. ao_string_tokenize(3), configFileLoad(3), optionFileLoad(3), optionFindNextValue(3), optionFindValue(3), optionFree(3), optionGetValue(3), optionLoadLine(3), optionMemberList(3), optionNextValue(3), optionOnlyUsage(3), optionProcess(3), optionRestore(3), optionSaveFile(3), optionSaveState(3), optionUnloadNested(3), optionVersion(3), strequate(3), streqvcmp(3), streqvmap(3), strtransform(3), 2014-06-10 strneqvcmp(3)
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