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HPR3882: Alternatives to the cd command
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Manage episode 446211213 series 2795599
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Five or six ways I could think of to roam the files of your Linux computer without cd. pushd and popd dirs https://en.wikipedia.org/wiki/Pushd_and_popd The pushd command, when called with a filepath as an argument, saves the current working directory in memory (via a directory stack) so it can be returned to at any time, places the new filepath at the top of the stack, and changes to the new filepath. The popd command returns to the path at the top of the directory stack. cd - From man bash An argument of - is converted to $OLDPWD before the directory change is attempted. Variables EXPORT mydir="/path/to/file/" cd ${mydir} History and histverify Using !number from the history command will execute the command [user@pc ~]$ history 1 cd tmp 2 cd ~ 3 history [user@pc ~]$ !3 cd tmp [user@pc tmp]$ from the man command shopt [-pqsu] [-o] [optname ...] Toggle the values of settings controlling optional shell behavior. ... -s Enable (set) each optname. -u Disable (unset) each optname. Now using !number from the history command will put the command on the prompt but you need to execute it yourself [user@pc ~]$ shopt -s histverify [user@pc ~]$ !39673 [user@pc ~]$ cd tmp autocd command [ken@kalani ~]$ shopt -s autocd [ken@kalani ~]$ tmp cd -- tmp [ken@kalani tmp]$ ~ cd -- /home/ken working without changing to directory [ken@kalani ~]$ ls tmp
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116 episodes
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Manage episode 446211213 series 2795599
Content provided by HPR Volunteer and Hacker Public Radio. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by HPR Volunteer and Hacker Public Radio or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
Five or six ways I could think of to roam the files of your Linux computer without cd. pushd and popd dirs https://en.wikipedia.org/wiki/Pushd_and_popd The pushd command, when called with a filepath as an argument, saves the current working directory in memory (via a directory stack) so it can be returned to at any time, places the new filepath at the top of the stack, and changes to the new filepath. The popd command returns to the path at the top of the directory stack. cd - From man bash An argument of - is converted to $OLDPWD before the directory change is attempted. Variables EXPORT mydir="/path/to/file/" cd ${mydir} History and histverify Using !number from the history command will execute the command [user@pc ~]$ history 1 cd tmp 2 cd ~ 3 history [user@pc ~]$ !3 cd tmp [user@pc tmp]$ from the man command shopt [-pqsu] [-o] [optname ...] Toggle the values of settings controlling optional shell behavior. ... -s Enable (set) each optname. -u Disable (unset) each optname. Now using !number from the history command will put the command on the prompt but you need to execute it yourself [user@pc ~]$ shopt -s histverify [user@pc ~]$ !39673 [user@pc ~]$ cd tmp autocd command [ken@kalani ~]$ shopt -s autocd [ken@kalani ~]$ tmp cd -- tmp [ken@kalani tmp]$ ~ cd -- /home/ken working without changing to directory [ken@kalani ~]$ ls tmp
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116 episodes
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