Re^3: Counting the Extensions of the Directory

[EdwardG]

GNU grep 2.5.1 has the -o option to output only the matched text. Your grep doesn't.

As for counting...

E:\tmp>ls | grep -oE "\.\w+$" | sort -u | wc -l
     12

[Mago]

Ok!

You are counting to everything and not each extension !?



IBIZA >ls

SN10738.ksh            
calculo_SN10738.ksh                        
separa_tabllama.awk
SN10738.log          
calculo_SN10738B.ksh
transferSN10738A.ksh
filtroSN10738A.ksh
separaVielinSN10406.ksh

IBIZA >perl -e 'while(<*>){if(-f && /\.(\w+)$/){$e{$1}++}}print "$_ ->
+ $e{$_}\n" for keys %e'

ksh -> 6
awk -> 1
log -> 1

SHELL:

IBIZA >ls | cut -sf2 -d. | sort | uniq -c

   6 ksh
   1 awk
   1 log