substring 1

[JohnMN]

I am writing a script in ksh.
The user will input a string in the form: NAME_A. I want to strip off the '_A' part and use 'NAME' in later commands. I will also need to use the 'NAME_A' format, so I can't just have user enter 'NAME'.
'NAME' can be any number of characters, but '_A' will always be the last two characters. (It could be either '_A' or '_B').
Any hints as to how I can perform this surgery? Thanks!

John

 

[dbase77]

Hi,

You can use cut command to get the NAME. Example of cut command:

echo NAME_A | cut -d "_" -f1

regards,
feroz

 

[olded]

#!/bin/ksh

# or if you just want to eliminate the last two characters of the variable name:

##l=$(expr $var : '.*') # length of filename

var=NAME_A
NAME=$(echo $var|cut -c1-$(($(expr $var : '.*')-2)))
echo $NAME

 

[vgersh99]

#!/bin/ksh

a='NAME_A'

echo "root->[${a%%_*}]"
echo "leaf->[${a##*_}]"


vlad
+----------------------------+
| #include<disclaimer.h> |
+----------------------------+

 

[JohnMN]

Thanks to all for your quick suggestions!
In my case, I'll use olded's suggestion for cutting off the last two characters. I forgot that 'NAME' can contain underscore characters, so it's easiest just to cut off the last two characters.

John