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Full Discussion: Read string from a file,plz help me to check
Top Forums Shell Programming and Scripting Read string from a file,plz help me to check Post 302117145 by aigles on Friday 11th of May 2007 03:12:38 AM
Old 05-11-2007
This code is KSH93 specific and contains many errors.
Code:
#!/usr/bin/ksh
exec 0<property
while read newReceiveDir
do
   if [ "${newReceiveDir:0:11}" = "New receive" ]
   then
      sed -e "s§/home/joshua/bodi/data/receive§${newReceiveDir:25}§g" mp_validate.sh >| mp_validate.tmp 
   elif [ "${newReceiveDir:0:8}" = "New temp" ]
   then
      sed -e "s§/home/joshua/bodi/data/temp§${newReceiveDir:22}§g" mp_validate.sh >| mp_validate.tmp 
   elif [ "${newReceiveDir:0:11}" = "New working" ]
   then
      sed -e "s§/home/joshua/bodi/data/working§${newReceiveDir:25}§g" mp_validate.sh >| mp_validate.tmp 
   elif [ "${newReceiveDir:0:11}" = "New archive" ]
   then # added
      sed -e "s§/home/joshua/bodi/data/archive§${newReceiveDir:25}§g" mp_validate.sh >| mp_validate.tmp 
   fi
   mv mp_validate.tmp mp_validate.sh
done

You can avoid using nested if :
Code:
#!/usr/bin/ksh
exec 0<property
while read newReceiveDir
do
   case "${newReceiveDir}" in
      New\ receive*)
         sed -e "s§/home/joshua/bodi/data/receive§${newReceiveDir:25}§g" mp_validate.sh >| mp_validate.tmp ;;
      New\ temp*)
         sed -e "s§/home/joshua/bodi/data/temp§${newReceiveDir:22}§g" mp_validate.sh >| mp_validate.tmp ;;
      New\ working*)
         sed -e "s§/home/joshua/bodi/data/working§${newReceiveDir:25}§g" mp_validate.sh >| mp_validate.tmp  ;;
      New\ archive*)
         sed -e "s§/home/joshua/bodi/data/archive§${newReceiveDir:25}§g" mp_validate.sh >| mp_validate.tmp  ;;
   esac
   mv mp_validate.tmp mp_validate.sh
done

Jean-Pierre.
 

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LEARN ABOUT OPENSOLARIS

getusershell

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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