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Dec 28, 2022 at 16:31 comment added Gilles Quénot And if you need to test if a package is installed: if dpkg -l | grep -wq <PACKAGE>; then echo installed; else echo not installed; fi No need to test explicitely $?
Dec 28, 2022 at 16:28 comment added Gilles Quénot Not all packages are direct commands, one example: command libreoffice-help-fr. Testing if package is installed is useless
Dec 28, 2022 at 15:55 history edited Gilles Quénot CC BY-SA 4.0
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Dec 28, 2022 at 14:52 review Late answers
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S Dec 28, 2022 at 14:35 review First answers
Dec 29, 2022 at 6:26
S Dec 28, 2022 at 14:35 history answered xarc CC BY-SA 4.0