Monday, 16 January 2017

Linux Shell Utilities

This shell script can be called from any other shell script as "." and any of the functions can be called to use. Even the funcions can be kept in the .profile and called through calling .profile.

The following functions are provided here:
to_lower               [ Change the upper case word to lower case.]
to_upper              [ Change the lower case to upper case. ]
check_numeric    [ Checks whether an input is a number. ]
check_decimal     [ Checks whether an input is a floating point number. ]
check_null            [ Checks for NULLs. ]
string_length        [ Evaluates the length of a string. ]
concatAll              [ Concats 'n' number of strings. ]
token_n                [ Returns the n'th token of a string.]

How To:
This is how you have to call this script to utilize any function in your current script.

In the caller script:
# Calling

RV=`to_lower $x1`
RV1=`string_length $x1`

Find the complete script here -

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