| Line 109: |
Line 109: |
| | echo foo | | echo foo |
| | </bash> | | </bash> |
| | + | === extras === |
| | + | ==== Check if a package is installed ==== |
| | + | <source lang="bash"> |
| | + | #!/bin/sh |
| | + | debInst() { |
| | + | dpkg-query -Wf'${db:Status-abbrev}' "$1" 2>/dev/null | grep -q '^i' |
| | + | } |
| | + | |
| | + | debInst terminator |
| | + | </source> |