bash: improve compatibility to bash v4.2 and before

lincheney / fzf-tab-completion

Tab completion using fzf

GNU General Public License v3.0

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bash: improve compatibility to bash v4.2 and before #105

Closed henry-hsieh closed 3 months ago

henry-hsieh commented 3 months ago

Bash v4.2 and before didn't support negative subscripts. This commit changes the index selection to array[len(array)-1] to fix the errors before Bash v4.2:

bash: COMP_WORDS[-1]: bad array subscript