Data Section

Library file	Function	Sections	Content	help file
bmtData	btmDataFunc	601-610	Data related	bmtData.md

Data section 601-610

• 601 integer user input check
• 602 alphabet user input check
• 603 alphanumeric user input check
• 604 convert string to lowercase
• 605 convert string to uppercase
• 606 trim white space from string
• 607 String Length
• 608 Contains string check
• 609 String Replace
• 610 String Reverse

601 integer input check

Keyword intcheck, first option the item to be checked if integer

bmtDataFunc intcheck "$age"

Returns 0 for integer , 2 for non integer.

602 Alphanumeric input check

Keyword alphanumcheck, first option the item to be checked if Alphanumeric

bmtDataFunc alphanumcheck "$address"

Returns 0 for alphanumcheck , 2 for non alphanumcheck.

603 alphabet input check

Keyword alphacheck) , first option the item to be checked if alphabet

bmtDataFunc alphacheck "$name"

Returns 0 for alphabet , 2 for non alphabet.

604 convert a string to lowercase

result=$(bmtDataFunc lowercase "TEST")   
echo $result

605 convert a string to uppercase

result=$(bmtDataFunc upperrcase "test")   
echo $result

606 trim whitespace from a strin

result2=$(bmtDataFunc trim "       test   "
echo $result2

607 String Length

Returns string length , maximum 249 , 250 is Null string error.

bmtDataFunc strlen "test string 123" #15
echo $?

608 Contains string check

Check if string contains a given substring

1. Param $2 is the string to search within
2. Param $3 is the string to search for
3. Returns 1 for missing params, 0 if found, falls through to the function-level return of 2 for not-found.

bmtDataFunc contains "This is a test string" "test"

609 replace string

Replace first (or all) occurrences of a pattern in a string; returns result via echo

1. Param $2 is the input string
2. Param $3 is the pattern to replace
3. Param $4 is the replacement string (can be empty to delete)
4. Param $5 is the optional ALL flag; if set to "ALL", all occurrences of the pattern will be replaced, otherwise only the first occurrence is replaced.
5. Returns 1 if Param $2 or Param $3 is missing.

# replace all occurrences
result4=$(bmtDataFunc strreplace "hello world world" "world" "bash" "ALL")
printf  "%s\n" "$result4"   # expect: hello bash bash

610 Reverse a string

Reverse a string, returns result via echo. tool: rev, which is part of util-linux and present on all Linux systems

1. Param $2 is the input string
2. Returns 1 if Param $2 is missing , otherwise returns 0 andthe reversed string via echo.

result6=$(bmtDataFunc strrev "hello")
printf  "%s\n" "$result6"   # expect: olleh