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Using echo

 
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# 1  
Old 01-04-2012
Using echo
I am using echo as follows

Code:
echo -n "arg_path = echo $0:h = $arg_path"

which produces
Code:
arg_path = echo /home/chrisd/tatsh/trunk/hstmy/bin/csh = /home/chrisd/tatsh/trunk/hstmy/bin/csh

However I want to get

Code:
arg_path = echo $0:h = /home/chrisd/tatsh/trunk/hstmy/bin/csh

# 2  
Old 01-04-2012
Code:
... \$0:h ...

# 3  
Old 01-04-2012
I have tried that but have been getting

Code:
echo "arg_path = echo \$0:h = $arg_path"

arg_path = echo \/home/chrisd/tatsh/trunk/hstmy/bin/csh = /home/chrisd/tatsh/trunk/hstmy/bin/csh

# 4  
Old 01-04-2012
I can't reproduce this behaviour (you are using CSH?)

Code:
printf 'arg_path = echo $0:h = %s\n' $arg_path

# 5  
Old 01-04-2012
Using tcsh

---------- Post updated at 09:21 AM ---------- Previous update was at 09:14 AM ----------

printf works fine

Code:
printf 'arg_pth = echo $0:h = %s\n' $arg_pth

arg_pth = echo $0:h = /home/chrisd/tatsh/branches/terr0.50/darwin

---------- Post updated at 09:41 AM ---------- Previous update was at 09:21 AM ----------

In the C shell, the backslash escapes everything except the newline,
the backslash and the dollar sign.

So there is no way to escape a variable in a double quote.The single
quote solves the problem

Code:
echo "arg_pth = echo "'$0'":h = $arg_pth"

# 6  
Old 01-04-2012
I only had access to an old csh on AIX and the backslash worked fine.

Why you persist with this dreadful shell is anyone's guess!
# 7  
Old 01-04-2012
Fully agree with you, but as the code is quite long and am currently behind schedule, that has to wait a bit. Starting porting some of the stuff to ksh.
 
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