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Full Discussion: Adding a "|" character for a text file
Top Forums Shell Programming and Scripting Adding a "|" character for a text file Post 302570611 by agama on Thursday 3rd of November 2011 09:54:24 PM
Old 11-03-2011
I assumed data was already in fixed columns. Save this to a file named something like add_pipe.ksh and invoke with the list of columns where you'd like a pipe symbol supplied on the command line. It automatically adds one at the beginning and ending of the line.

Code:
#!/usr/bin/env ksh

awk -v list="$@" '
BEGIN {
        n = split( list, col, " " );
    }
    {
        last = 1;
        printf( "|" );
        for( i = 1; i <= n; i++ )
        {
            printf( "%s | ", substr( $0, last, col[i]-1 ) );
            last = col[i]+1;
        }
        printf( "%s|\n", substr( $0, last ) );
    }
'

Invoke like this:
Code:
add_pipe.ksh 10 25 50 62

to replace the caracter at character positions 10, 25, 50 and 62 with " | ". Per your example, it adds spaces.
 

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LEARN ABOUT OPENSOLARIS

endusershell

getusershell(3C)					   Standard C Library Functions 					  getusershell(3C)

NAME

       getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS

       #include <unistd.h>

       char *getusershell(void);

       void setusershell(void);

       void endusershell(void);

DESCRIPTION

       The  getusershell()  function  returns  a  pointer  to  a  legal  user  shell  as defined by the system manager in the file /etc/shells. If
       /etc/shells does not exist, the following locations of the standard system shells are used in its place:

	 /bin/bash		    /bin/csh
	 /bin/jsh		    /bin/ksh
	 /bin/ksh93		    /bin/pfcsh
	 /bin/pfksh		    /bin/pfsh
	 /bin/sh		    /bin/tcsh
	 /bin/zsh		    /sbin/jsh
	 /sbin/pfsh		    /sbin/sh
	 /usr/bin/bash		    /usr/bin/csh
	 /usr/bin/jsh		    /usr/bin/ksh
	 /usr/bin/ksh93 	    /usr/bin/pfcsh
	 /usr/bin/pfksh 	    /usr/bin/pfsh
	 /usr/bin/sh		    /usr/bin/tcsh
	 /usr/bin/zsh		    /usr/sfw/bin/zsh
	 /usr/xpg4/bin/sh

       The getusershell() function opens the file /etc/shells, if it exists, and returns the next entry in the list of shells.

       The setusershell() function rewinds the file or the list.

       The endusershell() function closes the file, frees any memory used by getusershell() and setusershell(), and rewinds the file /etc/shells.

RETURN VALUES

       The getusershell() function returns a null pointer on EOF.

BUGS

       All information is contained in memory that may be freed with a call to endusershell(), so it must be copied if it is to be saved.

NOTES

       Restricted shells should not be listed in /etc/shells.

SunOS 5.11							    1 Nov 2007							  getusershell(3C)
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