of a program is to look for it just before it is used. The following function should be used at the beginning of a function that makes use of external programs.
mbfl_program_check progr... which we can declare the intention of a script to use a set of programs; a command line option is predefined to let the user test the availability of all the declared progra... _exit_program_not_found.
This function should be used to retrieve the pathname of the program to be used as first argument to mbfl_program_exec.
mbf... ered for signum. This function is not meant to be used during normal scripts execution, but it may be useful to debug a script.
Manipulating strings
Str
<code>if [ "$a" != "$b" ]</code>
This operator uses pattern matching within a [[ ... ]] construct.
-... file!"
exit $E_NOTGZIP
fi
zcat $1 | more
# Uses the 'more' filter.
# May substitute 'less' if de... milar to the Bash comparison operators && and ||, used within double brackets.
<code>[[ condition1 &&