# Eg, to remove ~/bin from $PATH
# pathremove ~/bin PATH
function pathremove {
- local IFS=':'
- local NEWPATH
- local DIR
- local PATHVARIABLE=${2:-PATH}
- for DIR in ${!PATHVARIABLE} ; do
- if [ "${DIR}" != "${1}" ] ; then
- NEWPATH="${NEWPATH:+${NEWPATH}:}${DIR}"
- fi
- done
- export ${PATHVARIABLE}="${NEWPATH}"
+ local IFS=':'
+ local NEWPATH
+ local DIR
+ local PATHVARIABLE=${2:-PATH}
+ for DIR in ${!PATHVARIABLE} ; do
+ if [ "${DIR}" != "${1}" ] ; then
+ NEWPATH="${NEWPATH:+${NEWPATH}:}${DIR}"
+ fi
+ done
+ export ${PATHVARIABLE}="${NEWPATH}"
}
# Usage: pathprepend /path/to/bin [PATH]
# Eg, to prepend ~/bin to $PATH
# pathprepend ~/bin PATH
function pathprepend {
- pathremove "${1}" "${2}"
- [ -d "${1}" ] || return
- local PATHVARIABLE="${2:-PATH}"
- export ${PATHVARIABLE}="${1}${!PATHVARIABLE:+:${!PATHVARIABLE}}"
+ pathremove "${1}" "${2}"
+ [ -d "${1}" ] || return
+ local PATHVARIABLE="${2:-PATH}"
+ export ${PATHVARIABLE}="${1}${!PATHVARIABLE:+:${!PATHVARIABLE}}"
}
# Usage: pathappend /path/to/bin [PATH]
# Eg, to append ~/bin to $PATH
# pathappend ~/bin PATH
function pathappend {
- pathremove "${1}" "${2}"
- [ -d "${1}" ] || return
- local PATHVARIABLE=${2:-PATH}
- export $PATHVARIABLE="${!PATHVARIABLE:+${!PATHVARIABLE}:}${1}"
-}
-
-# Usage: ssource /path/to/shellscript
-# Checks if the file exists before sourcing it
-function ssource {
- [ -r "${1}" ] && source "${1}"
+ pathremove "${1}" "${2}"
+ [ -d "${1}" ] || return
+ local PATHVARIABLE=${2:-PATH}
+ export $PATHVARIABLE="${!PATHVARIABLE:+${!PATHVARIABLE}:}${1}"
}
# Usage: is_function something
# Check if a function exists
function is_function {
- declare -Ff "$1" > /dev/null
+ declare -Ff "$1" > /dev/null
}
# Usage: find_up_recurse somefile
# Check if a file named somefile exists in this directory or any parent
function find_up_recurse {
- d="$1"
- pushd . > /dev/null
- while [ "$PWD" != "/" ]; do
- if [ -e "$d" ]; then
- popd > /dev/null
- return 0
- fi
- cd ..
- done
- popd > /dev/null
- return 1
+ d="$1"
+ pushd . > /dev/null
+ while [ "$PWD" != "/" ]; do
+ if [ -e "$d" ]; then
+ popd > /dev/null
+ return 0
+ fi
+ cd ..
+ done
+ popd > /dev/null
+ return 1
}
# Load local functions
-ssource "${HOME}/.bash/functions_local"
+[ -r "${HOME}/.bash/functions_local" ] && source "${HOME}/.bash/functions_local"