lower case to upper case


 
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# 1  
Old 11-30-2009
lower case to upper case

Hi i want to change lower case letters from lower case to upper case for only one particular column.

so my file looks like this

Code:
YU09m  ERTR
YU88j    UIOE

I want to change it so the letters all on column 1 are upper case

Code:
YU09M  ERTR
YU88J   UIOE

thanksSmilie
# 2  
Old 11-30-2009
Try:
Code:
sed 's/[^ \t]*/\U&/' infile

# 3  
Old 11-30-2009
If your sed doens't do that (as mine doesn't)...

Code:
awk '{$1 = toupper($1)}1' infile

# 4  
Old 11-30-2009
or tr:
Code:
tr -s '[:lower:]'  '[:upper:]'  < oldfile > newfile

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