Created
February 2, 2012 23:07
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Free SIP extensions
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| # Free SIP extensions | |
| # Usage: freesip /etc/asterisk/sip.conf 200 299 | |
| freesip() { | |
| comm -2 <(seq $2 $3) <(cat $1 | grep ^\\[ | sort | uniq | tr -d \[ | tr -d \]) | grep ^[[:digit:]] | |
| } |
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