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Shell Programming and Scripting

Make the first character uppercase

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# 1  
Old 11-18-2010
Make the first character uppercase
Input:
Code:
hello
world
monkey

Output should be:
Code:
Hello
World
Monkey

How can it be done with perl,sed,awk or bash?
# 2  
Old 11-18-2010
Code:
awk -F "" '{$1=toupper($1)}1' OFS= file

# 3  
Old 11-18-2010
Quote:
Originally Posted by Franklin52
Code:
awk -F "" '{$1=toupper($1)}1' OFS= file

Wow, cool...would you please explain a little bit for this code?
# 4  
Old 11-18-2010
Code:
sed 's/^./\u&/' file

# 5  
Old 11-18-2010
Hi,
Code:
$ perl -ne 'print ucfirst' infile

Regards,
Birei
# 6  
Old 11-18-2010
Code:
perl -ne 'print ucfirst($_)' file

# 7  
Old 11-18-2010
Quote:
Originally Posted by kevintse
Wow, cool...would you please explain a little bit for this code?
Code:
awk -F "" '{$1=toupper($1)}1' OFS= file

Explanation:
Code:
awk -F ""	# set fieldseparator to "", now a field is one character
$1=toupper($1)	# make the first character uppercase
1		# if the condition is true (1 = true) without an action, awk prints the current line per default
OFS=		# set output field separator to ""
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