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How to remove '$' from a $ variable

Comment:

I like to know how to remove '$' from a $ variable. I create a script, a.sh as below: #!/usr/bin/ksh a=`echo $1 | cut -d"\$" -f1` b=`echo $1 | cut -d"\$" -f2` echo $a$b However, this script does not work as I expect For example when I run the script as below: a.sh abc$def. The script displays 'abcabc' instead of 'abcdef'

Reply:

Parameter $1 has value the "abc" and not "abc$def"; at the command line the $def substring is interpreted as a variable. Calling a.sh 'abc$def' or a.sh abc\$def should output "abcdef".

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