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LXF#126 Shell scripting explanation
http://forums.zenverse.net/viewtopic.php?f=15&t=785
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Author:  jasminemark [ 01 Apr 2011 2:44 pm ]
Post subject:  LXF#126 Shell scripting explanation

Trying to follow the script Bob Moss has on pg 48-51. Just a beginner so please have patience. When I get to point
var=$1
echo $var

and then type

sh script_tutorial.sh ''Hello,World\!''

I must assume that the quotes here are two single quotes at the beginning of the Hello,World string and at the end of the line. If I try double quotes here I get

Hello,World\!

and on the next step, sending the value of the argument ($1) to the file sample.txt results in a blank file.
It does work with two single quotes, though. Is this correct? Why is it necessary to escape the ! question mark

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