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toupper or tolower case of first letter of the line depending on another file

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Top Forums Shell Programming and Scripting toupper or tolower case of first letter of the line depending on another file
# 8  
Old 12-30-2011
Using your samples :
Code:
MacBookPro:kk klashxx$ cat gauche.txt 
Sized to 
Durable, midweight,
ultraviolet protection
quick flo
MacBookPro:kk klashxx$ cat DroiteInit.txt 
Dimensionné 
nylon durable 
Indice de Protection 
séchant flo
MacBookPro:kk klashxx$ awk 'NR==FNR{a=substr($0,1,1);b[FNR]=match(a,/[A-Z]/) ? 1 : 0;next}
{c=substr($0,1,1);c=b[FNR] ? toupper(c):tolower(c);print c""substr($0,2)}'  gauche.txt DroiteInit.txt
Dimensionné 
Nylon durable 
indice de Protection 
séchant flo

# 9  
Old 12-30-2011
And using Perl; the "bit-array" algorithm is similar to Klashxx's -

Code:
$
$ cat gauche.txt
Sized to
Durable, midweight,
ultraviolet protection
quick flo
$
$ cat DroiteInit.txt
Dimensionné
nylon durable
Indice de Protection
séchant flo
$
$
$ perl -lne 'if ($ARGV eq "gauche.txt") {/^(.)/ and push @x,(grep/$1/, (A..Z))?1:0}
             else {$x[$i++]==1?s/^(.)/\u$1/:s/^(.)/\l$1/; print}
            ' gauche.txt DroiteInit.txt
Dimensionné
Nylon durable
indice de Protection
séchant flo
$
$

tyler_durden
# 10  
Old 01-01-2012
Indeed, the match command returns 1 whatever the case....

---------- Post updated at 07:43 AM ---------- Previous update was at 07:40 AM ----------
Quote:
Originally Posted by durden_tyler
...sorry I need awk, thanks anyway
Quote:
Originally Posted by Klashxx
Using your samples :
Code:
MacBookPro:kk klashxx$ cat gauche.txt 
Sized to 
Durable, midweight,
ultraviolet protection
quick flo
MacBookPro:kk klashxx$ cat DroiteInit.txt 
Dimensionné 
nylon durable 
Indice de Protection 
séchant flo
MacBookPro:kk klashxx$ awk 'NR==FNR{a=substr($0,1,1);b[FNR]=match(a,/[A-Z]/) ? 1 : 0;next}
{c=substr($0,1,1);c=b[FNR] ? toupper(c):tolower(c);print c""substr($0,2)}'  gauche.txt DroiteInit.txt
Dimensionné 
Nylon durable 
indice de Protection 
séchant flo

My linux is crazy, I copy/paste your command, and get a different result:
Code:
----$ cat gauche.txt 
Sized to 
Durable, midweight,
ultraviolet protection
quick flo
----$ cat droiteInit.txt 
Dimensionné 
nylon durable 
Indice de Protection 
séchant flo
----$ awk 'NR==FNR{a=substr($0,1,1);b[FNR]=match(a,/[A-Z]/) ? 1 : 0;next}
{c=substr($0,1,1);c=b[FNR] ? toupper(c):tolower(c);print c""substr($0,2)}'  gauche.txt droiteInit.txt
Dimensionné 
Nylon durable 
Indice de Protection 
Séchant flo

??weird...any idea what is wrong?
# 11  
Old 01-01-2012
Try this... same code, a slight modification...
Code:
awk ' NR==FNR{ a=substr($0,1,1); b[FNR]=match(a,/[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/) ? 1 : 0; next } 
{ c=substr($0,1,1); c=b[FNR] ? toupper(c):tolower(c); print c""substr($0,2) }' gauche.txt droiteInit.txt

--ahamed
# 12  
Old 01-01-2012
Quote:
Originally Posted by ahamed101
Code:
match(a,/[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/)

--ahamed
yes this works well now:
Code:
---$ awk 'NR==FNR{a=substr($0,1,1);b[FNR]=match(a,/[ABCDEFGHIJKLMNOPQRSTUVWXYZ]/) ? 1 : 0;next}                                                                                                           
{c=substr($0,1,1);c=b[FNR] ? toupper(c):tolower(c);print c""substr($0,2)}'  gauchetest.txt droiteInittest.txt
Dimensionné 
Nylon durable 
indice de Protection 
séchant flo

but why? it should be the same, do you have an explanation?
# 13  
Old 01-01-2012
Quote:
Originally Posted by louisJ
yes this works well now:
but why? it should be the same, do you have an explanation?
I am trying to figure that out. That code change was just a hunch! I tried with awk, gawk, nawk etc it is all giving the same result.

--ahamed
# 14  
Old 01-01-2012
I don't get it...

how to write this as a awk script (and not a one liner), the following should be working, but it displays results from the first file (gauche.txt) instead of the right file (DroiteInit.txt) with the requiered changes...:

$ gawk -f ./awk_script gauche.txt droiteInit.txt
"awk_script" being:
Code:
NR==FNR 
{ 
    a=substr($0,1,1); 
    b[FNR]=match(a,/[AZERTYUIOPMLKJHGFDSQWXCVBN]/) ? 1 : 0; 
    next 
} 
{ 
    c=substr($0,1,1); 
    c=b[FNR] ? toupper(c):c=tolower(c);
    print c""substr($0,2) 
}
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