Alan Young <alansyoung...@gmail.com> writes: > greo=$(command -v greo) > > if [ -n $greo ]; then > $greo ... > fi > > command will search the directories defined in $PATH for the command > greo and return the fully qualified path. If it isn't found it will > return null. So, if $greo is non-zero, greo exists and you can run > it.
And if $greo is null the condition will also be true. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
