I have a variable defined a12. Wanted to convert this variable to upper case and assign it to another varialble
*IT IS A .tn script with the script header includer --- > #!/bin/tn_shell*
Please help me in solving this .
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4 Answers
1
Assuming tn_shell is a bourne like shell, you can probably do:
a13=$( echo "$a12" | tr a-z A-Z )
or
a13=$( echo "$a12" | tr [:lower:] [:upper:] )
William Pursell
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That's shell, not Tcl… – Donal Fellows Feb 14 '14 at 13:55
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Is `tn_shell` a Tcl shell? Googling `tn_shell` is not at all useful, but does tell me where to get petrol in Tennessee! – William Pursell Feb 14 '14 at 14:17
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I've no idea, but the question _is_ tagged… (Tennessee; hmm, I've changed planes there…) – Donal Fellows Feb 14 '14 at 20:36
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a="$(tr [a-z] [A-Z] <<< "$a")"
bash-3.2$echo lower to upper | tr '[:lower:]' '[:upper:]'
LOWER TO UPPER
To Save in the variable use below
var=$(echo lower to upper | tr '[:lower:]' '[:upper:]')
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Madre mia. I need write this text because post's minimum is 30 characters
tr '[a-z]' '[A-Z]'
rjhdby
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That's shell, not Tcl, and doesn't actually deal with values in variables… – Donal Fellows Feb 14 '14 at 13:56
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To turn a string into upper case, use string toupper. That returns a copy of the input string (with the case transformation applied, of course) that you can then assign to wherever you want.
set a13 [string toupper $a12]
Donal Fellows
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