s will just print the error message. export foo="one" for i in foo bar baz; do eval echo \${$foo:?} one bash: bar: parameter null or not set bash: baz: p... ld cards with them -- since dirname takes exactly one argument (and complains if given more) and basename takes one argument and an optional one which is not a filen... umber of arguments is different from the required one: prints an error message and returns with code one; else returns with code zero.
mbfl_argv_from... inting messages to the console
This module allows one to print messages on an output channel. Various f