et or unset verbose execution. If verbose mode is on: some commands output messages on stderr describing what is going on. Examples: files and directories creation/removal... gen -A function "$pattern"
There's no constraint on function names, but they must be one-word names.
Before running a test function: the... uts this duplication down. To test for characters only, we can use awk. Here's the function to test if we only get upper or lower case characters.
char_na... the script to look cleaner when the test is done on the function on the calling part of the script.
To test the outco
Bash permits integer operations and comparisons on variables
#+ whose value consists of all-integer ... Chazelas points out,
# if [ $string1 ] has one argument, "]"
# if [ "$string1" ] has two ar
