tenseleyflow/ndotfiles / 21afd90

Browse files

refactor as shell function

Authored by mfwolffe <wolffemf@dukes.jmu.edu>
SHA
21afd905965d1a62fb77e5221ef55c4b24fb2b97
Parents
e2b6586
Tree
853b17b

2 changed files

StatusFile+-
M zsh/alias.zsh 4 1
A zsh/function.zsh 58 0
zsh/alias.zshmodified
@@ -14,6 +14,9 @@ alias zconfig="micro ${HOME}/.zshrc || ${EDITOR} ${HOME}/.zshrc"
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 # :::: navigation ::::
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 # ::::: :::::::::: :::::
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 #
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+# NOTE: this actually only worked in fish
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+#       but I've rewritten `up` as a shell function
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+#       found in $ZSH_CUSTOM/function.zsh
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 # NOTE: the short circuit wont work in bash
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 #       and (may??) not ALWAYS work in zsh (or fish)
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 #
@@ -25,7 +28,7 @@ alias zconfig="micro ${HOME}/.zshrc || ${EDITOR} ${HOME}/.zshrc"
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 # which will correctly change dirs to ../../../
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 #
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 alias bk="- || cd -"
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-alias up="../ || cd ../"
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+# alias up="../ || cd ../"
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 alias goclass="cd ${HOME}/Documents/Class/"
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 alias goproj="cd ${HOME}/Documents/Project/"
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 alias goorg="cd ${HOME}/Documents/GithubOrgs/"
zsh/function.zshadded
@@ -0,0 +1,58 @@
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+# defines a function named "up" that:
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+#   - counts how many arguments ($#) were passed
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+#   - does `cd ..` exactly that many times plus one
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+#
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+# In other words:
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+#   up             → $# = 0  → 1 parent
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+#   up up          → $# = 1  → 2 parents
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+#   up up up       → $# = 2  → 3 parents
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+#
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+# This pattern applies to `bk` too
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+#   NOTE: no it doesn't
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+#
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+
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+up() {
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+  # $# is “number of additional words” you typed
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+  local n
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+  n=$(( $# + 1 ))        # if no args, n=1; if “up up”, $#=1→n=2; etc.
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+
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+  # Ensure all arguments are exactly "up"
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+  for arg in "$@"; do
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+    if [[ "$arg" != "up" ]]; then
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+      echo "Error: 'up' only accepts repeated 'up' arguments." >&2
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+      return 1
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+    fi
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+  done
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+
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+  # Calculate how many levels to go up
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+  local n=$(( $# + 1 ))
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+  while (( n > 0 )); do
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+    builtin cd ..        # use builtin cd to avoid recursing into this function
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+    (( n-- ))
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+  done
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+}
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+
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+# NOTE: does not function as intended
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+#
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+# bk() {
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+#   # Ensure all arguments are exactly "bk"
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+#   for arg in "$@"; do
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+#     if [[ "$arg" != "bk" ]]; then
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+#       echo "Error: 'bk' only accepts repeated 'bk' arguments." >&2
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+#       return 1
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+#     fi
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+#   done
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+
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+#   # Determine number of toggles: if no args, toggle once; else toggle once per "bk"
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+#   local count
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+#   if (( $# == 0 )); then
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+#     count=1
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+#   else
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+#     count=$#
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+#   fi
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+
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+#   while (( count > 0 )); do
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+#     builtin cd -
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+#     (( count-- ))
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+#   done
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+# }