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bash-shell-base/modules/utility/file.lib

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#!/bin/bash
# export BASH_DEBUG=true
build_file () {
[[ -f "$2" ]] || (echo "output file $2 does not exist";return 1)
if [[ -f "$1" ]]; then
echo -e "\n####### ADDED $1 ########" >> $2
cat "$1" | sed '/^\s*#/d' | sed '/^$/{:a;N;s/\n$//;ta}' >> $2
else debug "no such file $1 to append"
fi
}
function lines_2_str () {
[[ ! -f "$1" ]] && return 1
local str=''
# echo the lines: $lines >&2
# lines="$(cat "$1")"
while read line; do
[[ "$line" =~ ^[[:space:]]*# ]] && continue
# echo line: "${line}" >&2
str="$str ${line}"
# echo str: $str >&2
done < $1
# for line in $lines ; do
# str+='"'$line'" '
# done
echo $str
# set +o noglob
return 0
}
# find, superceeds find use `command find` to get the super
function _find () {
# USAGE
# all option arguments that contain globs/wildcards must be quoted to avoid expansion
# f sets path and file excludes from a supplied file path
# all lines ending in / will be treated as directory names to ignore, otherwise files
# p option explictly excludes paths(directories)
# d option sets the directory depth which is current directy by default, 0 is all
# x excitly excludes file globs as a string
# n inclucdes only file globs otherwise it's all except .files
# if no directory is given it will attempt to source the present working directory
# example:
# source_dir -p "archive" -x '"*.off" "*.md"' -d 0 # $DIR/$SUBDIR
local EXCLUDE_FILE
local PATHS
local NAMES
local ENAMES
local DEPTH=1
local HIDDEN
declare OPTION
declare OPTARG
declare OPTIND
while getopts 'p:d:e:n:f:h' OPTION; do
case "$OPTION" in
f)
EXCLUDE_FILE=$OPTARG
# echo EXCLUDE FILE $EXCLUDE_FILE >&2
;;
p)
# PATHS=("$OPTARG")
IFS=',' read -r -a PATHS <<< "$OPTARG"
# echo EXCLUDING THESE PATHS ${PATHS[*]}
;;
e)
IFS=',' read -r -a ENAMES <<< "${OPTARG}"
# echo EXCLUDING THESE FILE NAMES ${ENAMES[*]}
;;
n)
# NAMES=("$OPTARG")
IFS=',' read -r -a NAMES <<< "${OPTARG}"
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# NAMES=$OPTARG
;;
d)
DEPTH=$OPTARG
# echo "SOURCING TO DEPTH (0=any)" "$DEPTH"
;;
h)
HIDDEN=true
# echo "SOURCING TO DEPTH (0=any)" "$DEPTH"
;;
*)
echo unknown option $OPTION
;;
esac
done
shift $(( OPTIND - 1 ))
local DIR
DIR="$*"
if [ ! "$DIR" ]; then
if [ -v PS1 ]; then
echo no directory provided to search
echo searching present working directory $(pwd)
read -p "Do you want to continue? " -n 1 -r
[[ $REPLY =~ ^[Yy]$ ]] && DIR=$(pwd) || return 1
else
return 1
fi
fi
[ ! -d "$DIR" ] && echo " directory $DIR does not exist, aborting" && return 1
# echo dir $DIR
local FIND
FIND="command find $DIR"
FIND+=$([ ! $DEPTH == 0 ] && echo " -maxdepth $DEPTH ")
FIND+=" -type f "
# include HIDDEN files and directories IS FALSE BY DEFULT
[[ ! $HIDDEN ]] && FIND+="! -path \"*/.*/*\" ! -name \".*\" "
local name
local path
if [[ -f $EXCLUDE_FILE ]]; then
local ignores=$(lines_2_str "$EXCLUDE_FILE")
# echo ignores: $ignores >&2
for exclude in $ignores ; do
# echo exclude: ${exclude} >&2
[[ "$exclude" == */ ]] && PATHS+=("${exclude::-1}") || ENAMES+=("$exclude")
done
fi
# echo paths ${PATHS[@]} >&2
# echo exclude names ${ENAMES[@]} >&2
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set -o noglob
if [[ ${PATHS[0]} ]]; then
for path in ${PATHS[@]}; do
# echo excluding $path
FIND+=$(echo ' ! -path "*/'$path'/*"')
done
fi
if [[ ${ENAMES[0]} ]]; then
for name in ${ENAMES[@]}; do
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debug excluding name "$name"
FIND+=$(echo ' ! -name '$name'')
done
fi
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debug "INCLUDING ONLY THESE FILE NAMES ${NAMES[*]}"
if [[ ${NAMES[0]} ]]; then
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for name in "${NAMES[@]}"; do
debug only finding $name
FIND+=$(echo " -name '${name}'")
done
fi
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# if [[ $NAMES ]]; then
# debug names for find command $NAMES
# for name in $NAMES; do
# debug "xxonly finding '$name'"
# FIND+=$(set -o noglob;echo " -name '${name}'")
# done
# fi
# echo
# echo find dir: $DIR >&2
debug "find command: $FIND"
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set +o noglob
local FILES
FILES=$(eval $FIND | sort)
[[ $FILES ]] && echo $FILES
return 0
}
source_dir () {
# echo passed: $*
debug function: source_dir
local FILES
FILES=$(_find "$@") # find function
# echo $FILES >&2
[[ $? -ne 0 ]] && return 1
for f in $FILES; do
# echo sourcing: $f >&2
source "$f"
done
}