how to display only last character of a string? - Shell Programming and Scripting

DukeNuke2 · #1 01-16-2008

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

radoulov · #2 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%?}}";}

DukeNuke2 · #3 01-16-2008

thnx! works perfectly fine...

fpmurphy · #4 01-16-2008

using sed

Code:

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

DukeNuke2 · #5 01-16-2008

thnx also...

Franklin52 · #6 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

radoulov · #7 01-16-2008

GNU Awk:

Code:

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

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