51 lines
1.5 KiB
Bash
51 lines
1.5 KiB
Bash
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declare LIB_PATH=/opt/bash-lib/
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########################
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# Function: dep_exists
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# Usage: You provide it a utility name and it checks to see if it can find an
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# executable of the same name in path
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function dep_exists () {
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local DEP_UTIL=${1:?"$FUNCNAME: No dep utility was provided for search"}
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for path in ${PATH//:/ }; do
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if [[ -x $path/$DEP_UTIL ]]; then
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return 0
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fi
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done
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# The above is just more bash friendly since it can be error handled better
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## OR
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# find ${PATH//:/ } -name $DEP_UTIL -executable | grep $DEP_UTIL
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# return $?
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echo "$FUNCNAME: $DEP_UTIL is not installed, or is not in path"
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return 1
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}
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####################
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# Function: import
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# Usage: You provide the script/lib name that you want to import from the LIB_PATH
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function import () {
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local LIB_NAME=${1:?"$FUNCNAME: No lib provided for import"}
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## Fixing lib_name in case user/dev provides a non *.sh ending script (as all should have extension)
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if [[ ${LIB_NAME##*.} != 'sh' ]]; then
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LIB_NAME=${LIB_NAME}.sh
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fi
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# Creating REGEX pattern to match if lib has already been sourced
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local SOURCED_LIBS_REGEX="($( IFS='|'; echo "${BASH_SOURCE[*]}" ))"
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if [[ $LIB_NAME =~ ^$SOURCED_LIBS_REGEX$ ]]; then
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echo "$FUNCNAME: This lib ($LIB_NAME) has already been sourced"
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return 0
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fi
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## Getting FULL PATH for convinence
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FULLPATH=$LIB_PATH/$LIB_NAME
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if [[ -f $FULLPATH ]]; then
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. $FULLPATH
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else
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echo "$FUNCNAME: $LIB_NAME ($FULLPATH) does not exist or is not accessible by you."
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exit
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fi
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}
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