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Lowercase to Uppercase

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Operating Systems AIX Lowercase to Uppercase
# 1  
Old 12-11-2007
Lowercase to Uppercase
Inside a script I have 2 variables COMP=cy and PT=t. further down the same script I require at the same line to call those 2 variables the first time uppercase and after lowercase ${COMP}${PT}ACE,${COMP}${PT}ace. Can somebody help me

Thanks in advance

George Govotsis
# 2  
Old 12-11-2007
There are a variety of ways to do what you suggest. The simplest is to create variables that the shell will convert to all uppercase or lowercase:

Code:
typeset -u COMP_UPPER PT_UPPER
typeset -l COMP_LOWER PT_LOWER

The variables above will always convert their values to uppercase or lowercase, respectively. Of course, you can also convert via other programs:

Code:
echo "$COMP" | tr '[a-z]' '[A-Z]'
echo "$COMP" | awk '{print toupper($0)}'

You get the idea.
This User Gave Thanks to gus2000 For This Post:
prasannasrivas
# 3  
Old 12-11-2007
Code:
#!/bin/ksh

a='foo'
typeset -uL1 b=${a}
echo "${b}${a#?}"

More on this here.
Last edited by vgersh99; 12-11-2007 at 04:07 PM..
# 4  
Old 12-11-2007
Quote:
Originally Posted by gus2000
There are a variety of ways to do what you suggest. The simplest is to create variables that the shell will convert to all uppercase or lowercase:

Code:
typeset -u COMP_UPPER PT_UPPER
typeset -l COMP_LOWER PT_LOWER

The variables above will always convert their values to uppercase or lowercase, respectively. Of course, you can also convert via other programs:

Code:
echo "$COMP" | tr '[a-z]' '[A-Z]'
echo "$COMP" | awk '{print toupper($0)}'

You get the idea.
I guess the OP wanted the variable values to be capitalized - not the whole string to be UPPER-cased.
The OP will have to clarify!
# 5  
Old 12-11-2007
I guess you can also use syntax as
Code:
print $VARIABLE|sed 'y/[a-z]/[A-Z]'

# 6  
Old 12-13-2007
or

tr "[:lower:]" "[:upper:]"

tr "[:upper:]" "[:lower:]"
# 7  
Old 10-16-2008
i dont have any variable
i dont have any file

i just want to convert AJIT to ajit
can i do this in UNIX atraight away
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