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9d2b53450a
The existing implementation grows the $dirprev array without bounds. Besides causing what would appear to be a memory leak it also makes the nextd and prevd commands more expensive than they need to be. It also makes it harder to create a useful "menu" cd command. In addition to implementing a reasonable limit on the size of the $dirprev array I've reformatted the code using fish_indent. Update the documentation to include mentions of the $dirprev and $dirnext variables as well as the limit on how much directory history is kept. Fixes 2836
31 lines
889 B
Plaintext
31 lines
889 B
Plaintext
\section prevd prevd - move backward through directory history
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\subsection prevd-synopsis Synopsis
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\fish{synopsis}
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prevd [ -l | --list ] [POS]
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\endfish
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\subsection prevd-description Description
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`prevd` moves backwards `POS` positions in the history of visited directories; if the beginning of the history has been hit, a warning is printed.
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If the `-l` or `--list` flag is specified, the current history is also displayed.
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Note that the `cd` command limits directory history to the 25 most recently visited directories. The history is stored in the `$dirprev` and `$dirnext` variables which this command manipulates.
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\subsection prevd-example Example
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\fish
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cd /usr/src
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# Working directory is now /usr/src
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cd /usr/src/fish-shell
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# Working directory is now /usr/src/fish-shell
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prevd
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# Working directory is now /usr/src
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nextd
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# Working directory is now /usr/src/fish-shell
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\endfish
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