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Full Discussion: tcsh read command ......?
Top Forums UNIX for Advanced & Expert Users tcsh read command ......? Post 62131 by moxxx68 on Friday 11th of February 2005 01:03:42 PM
Old 02-11-2005
MySQL tcsh read command ......?
i have just started to use the tcsh shell as a sort of personal challenge since I see so many users using other shells than just bash...
I have written a spcript that is quite lengthy but it is in bash shell and gives an error message in tcsh shell so I cut the script in half and basically revamped it so that it would work with the tcsh shell. here's the code:
#!/bin/bash
#_tclear
while :; do
function fun { clear; pwd; date; tty; }
echo "enter term"
read term
if [ "$term" == "c" ]
then
fun
elif [ "$term" == "z" ]
then
fun
echo "konsole"
find -noleaf -type f -newer './date.file' -fls .specs1 -print | xargs ls -ali --color | sed 's/\.\/.*\///' | more
elif [ "$term" == "s" ]
then
echo "Terminal"
ls -ali $* --color | more
else
fun
echo "Terminal"
ls -ali --color
fi
if [ "$term" == "e" ]
then
fun
echo "Terminal"
ls -ali --color
exit
fi
done
exit 0
this worked fine after some fiddeling.. but it is not tcsh compliant and has a basic error to it. to apply tcsh compliance to the shell script I must change the read command to a tcsh read command .. i tried several commands
>| term
<< term
$_ term
$_=term
to no avail and have not been able to decipher the tcsh man pages yet... there are probably 100 different errors in the script as it is, if I am to get it posix compliant which I would like to do a step at a time to gain the experience that I need to shell script properly..
my one question is what is the read command symbol or syntax in tcsh...
any help would greatly be appreciated..
thanx moxxx68
 

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LEARN ABOUT SUNOS

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/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/pfcsh
       /usr/bin/pfksh		  /usr/bin/pfsh
       /usr/bin/sh		  /usr/bin/tcsh
       /usr/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.

SunOS 5.10							    30 Aug 2004 						  getusershell(3C)
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