I can also reproduce this, but the key sequence must be followed exactly. I'm
running bash 4.1.5(1)-release on Ubuntu 10.10 maverick (Ubuntu
2.6.35-23.41-generic-pae 2.6.35.7). To recreate, I typed the following:
ssh someu...@somehost
Then, before typing <enter>, I used the left arrow key to position the cursor
on the space after ssh. I then typed <space><dash><i><space><tab>
This generates an error message which has ranged from "bash: $index: substring
expression < 0" to "cword=...@somehost
words[0]=${!ref}${COMP_WORDS[i]}
words[1]=${!ref}${COMP_WORDS[i]}
words[2]=${!ref}${COMP_WORDS[i]}
cword=2
bash: $index: substring expression < 0". (The error message isn't always the
same.)
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https://bugs.launchpad.net/bugs/692562
Title:
ssh -i completion throws bash error
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