Convert 'a' to 'A' in a Shell-Script

[Eoin Woods]

koe at kivax.UUCP (Diana Koehler) writes:

>How can I convert "lowercase" characters in "uppercase" characters
>in a Shell-Script.
>f.e. convert all 'a' to 'A' ?
>(awk, sed ??)

Try tr(1), for example :

abc='Hello'
def=`echo $abc | tr [a-z][A-Z]`
echo $def

Will produce :

HELLO

Eoin.
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