how to display only last character of a string?


 
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# 1  
Old 01-16-2008
how to display only last character of a string?

hi all,
if i do an:
"echo $string |" what should be after the pipe to display ONLY the last char of the output?

tia,
DN2
# 2  
Old 01-16-2008
Depends on your shell:

[zsh]

Code:
zsh-4.3.4% print ${${:-string}[-1]}
g


otherwise:

Code:
echo string|{ read; echo "${REPLY#${REPLY%?}}";}

# 3  
Old 01-16-2008
thnx! works perfectly fine...
# 4  
Old 01-16-2008
using sed

Code:
 echo $string | sed -e 's/\(^.*\)\(.$\)/\2/'

# 5  
Old 01-16-2008
thnx also...
# 6  
Old 01-16-2008
Quote:
Originally Posted by fpmurphy
using sed

Code:
 echo $string | sed -e 's/\(^.*\)\(.$\)/\2/'

1 saved substring suffice:

Code:
sed '/.*\(.$\)/\1/'

With awk:

Code:
awk '{print substr($0,length,1)}'

Regards
# 7  
Old 01-16-2008
GNU Awk:

Code:
$ echo string|awk '$0=$NF' FS=
g


Last edited by radoulov; 01-16-2008 at 07:49 AM..
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