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Shell Programming and Scripting

Assign Here Document Facility to a Variable

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Top Forums Shell Programming and Scripting Assign Here Document Facility to a Variable
# 8  
Old 05-07-2013
Hi, good. You can still use a here doc if you want and put it into a variable, but when subsequently using that variable you need to quote it to retain formatting...
# 9  
Old 05-09-2013
Okay, I will give that a shot.
# 10  
Old 09-17-2013
coding question
what is the difference between using

$(cat <<MENU...

&

$(<<MENU...
# 11  
Old 09-17-2013
The first form works, AFAIK the latter does not.
# 12  
Old 09-23-2013
I've tested both variants successfully using the korn shell.
# 13  
Old 09-23-2013
Indeed it seems to work in ksh and ksh derivatives (for example the posix shells in Solaris and HPUX which are modified Korn shells). It also seems to work in zsh.

But is does not work in bash, nor in POSIX compliant dash, so I would use the cat form..
# 14  
Old 09-23-2013
My question would be, why bother?

Particularly when this is valid syntax:

Code:
MYVAR="string1
string2
string3
string4
string5"
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