Shell Programming and Scripting

[[Renaissance humanism|renaissance]]
[[Taoism|Taoist]]
[[Foundation for Economic Education]]
[http://www.theanarchistlibrary.org/HTML/Daniel_Guerin__Anarchism__From_Theory_to_Practice.html#toc2 ''Anarchism: From Theory to Practice'']
[[self-governance|self-governed]]

''Anarchism''' is a [[political philosophy]] that advocates [[self-governance|self-governed]] societies with voluntary institutions.

[[Renaissance-humanism|renaissance]]
[[Taoism|Taoist]]
[[Foundation-for-Economic-Education]]
[http://www.theanarchistlibrary.org/HTML/Daniel_Guerin__Anarchism__From_Theory_to_Practice.html#toc2  ''Anarchism: From Theory to Practice'']
[[self-governance|self-governed]]

#include<stdio.h>
#include<string.h>
#include<stdlib.h>

int main ( int argc , char ** argv )
{
    FILE *text_file = NULL;
    text_file = fopen ( argv [ 1 ] , "r" );
    if(text_file == NULL )
    {
        fprintf(stderr,"file open error\n");
        exit(1);
    }
    char ch = '\0';
    
    while ( !feof ( text_file ))
    {
        ch = fgetc ( text_file );
        printf ("%c" , ch );
        if ( ch == '[')
        {
            ch = fgetc ( text_file );
            if ( ch == '[')
            {
                ch = fgetc ( text_file );
                while ( ch != ']' )
                {
                    printf("%c" , ch );
                    if ( isspace(ch))
                    {
                        ch='-';
                    }
                }
            }
            else
            {
                ungetc(ch,text_file);
            }
        }
    }
    
    fclose(text_file);
    return ( EXIT_SUCCESS);
}

sed ':L;s/\(\[\[[^ ]*\) \([^]]*\]\)/\1-\2/;tL' file
[[Renaissance-humanism|renaissance]]
[[Taoism|Taoist]]
[[Foundation-for-Economic-Education]]
[http://www.theanarchistlibrary.org/HTML/Daniel_Guerin__Anarchism__From_Theory_to_Practice.html#toc2 ''Anarchism: From Theory to Practice'']
[[self-governance|self-governed]]
''Anarchism''' is a [[political-philosophy]]-that-advocates-[[self-governance|self-governed]] societies with voluntary institutions.

'''Anarchism''' is a [[political-philosophy]] that advocates [[self-governance|self-governed]] societies with voluntary institutions.

The first political philosopher to call himself an anarchist was [[Pierre-Joseph-Proudhon]], marking the formal birth of anarchism in the mid-nineteenth century.

[[Online-etymology-dictionary]].</ref> The first known use of this word was in 1539.<ref>"Origin of ANARCHY

sed ':L;s/\(\[\[[^] ]*\) \([^]]*\]\)/\1-\2/;tL' file