March 2002
Beginner
504 pages
10h 47m
English
Content preview from Sams Teach Yourself Shell Programming in 24 Hours, Second Edition
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Hour 21
| 1: | Write a function named toLower that converts its arguments to all lowercase and outputs the converted string to STDOUT. (HINT: Use tr.) |
| A1: | One possible implementation is
################################################
# Name: toLower
# Desc: changes an input string to lower case
# Args: $@ -> string to change
################################################
toLower() {
echo $@ | tr '[A-Z]' '[a-z]' ;
}
|
| 2: | Write a function named toUpper that converts its arguments to all uppercase and outputs the converted string to STDOUT. (HINT: Use tr.) |
| A2: | One possible implementation is
################################################ # Name: toUpper # Desc: changes an input string to upper case # Args: $@ -> string to change ################################################ ... |
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