124 lines
2.7 KiB
Bash
124 lines
2.7 KiB
Bash
# Get the number of avaialble cores (threads).
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function _core_count() {
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cat /proc/cpuinfo | grep ^processor | wc -l
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}
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# Get the number of available memory (in mebibytes).
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function _mem_free() {
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free -m | sed -n -e '2p' | awk '{print $7}'
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}
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# Function-wrapper to iterate with specified function with provided files.
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# By default Iterates on all non-hidden files and directories.
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# List of variables available to FUNCTION: target - current file, count - current item index, total - sum of targets, failed - count of previously failed items, skipped - count of skipped files, status - status line (not recommended to use).
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# Usage: _iterate_targets <FUNCTION> [FILES]
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function _iterate_targets() {
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local IFS=$'\n'
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local foo="${1}"
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local targets=("${@:2}")
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local total=${#targets[@]}
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local count=0
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local failed=0
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local skipped=0
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local code=0
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# set dafult value to target all supported archives.
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if [[ "${targets}" = "" ]]; then
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_error "No targets provided."
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return 1
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fi
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# iterate each target.
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for target in "${targets[@]}"; do
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# increment counter.
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((count++))
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# status info.
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local status="[${count}/${total}] ${target}"
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_info "${status}"
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# Call function.
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${foo} "${target}"
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# Show error.
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if [[ ${?} != 0 ]]; then
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((failed++))
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_error "${status}: Failed."
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fi
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# Add newline if not the last one.
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[[ "${count}" = "${total}" ]] || echo
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done
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# Show skipped.
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if [[ ${skipped} != 0 ]]; then
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echo
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echo -e "${color_byellow}Skipped: ${skipped}.${color_default}"
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fi
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# Show error.
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if [[ ${failed} != 0 ]]; then
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[[ "${skipped}" = 0 ]] && echo
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echo -e "${color_bred}Failed: ${failed}.${color_default}"
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false
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fi
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}
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# Skip current iteration.
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# Usage: _iterate_skip [MESSAGE]
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function _iterate_skip() {
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((skipped++))
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[[ "${*}" = "" ]] || echo -e "${color_byellow}${*}${color_default}"
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}
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# Report an error.
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# Always returns code 1.
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# Usage: _error <MESSAGE>
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function _error() {
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>&2 echo -e "${color_bred}${*}${color_default}"
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return 1
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}
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# Report a warning.
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# Usage: _warn <MESSAGE>
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function _warn() {
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>&2 echo -e "${color_byellow}${*}${color_default}"
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}
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# Report a debug.
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# Usage: _debug <MESSAGE>
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function _debug() {
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>&2 echo -e "${color_bwhite}${*}${color_default}"
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}
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# Report an info.
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# Usage: _info <MESSAGE>
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function _info() {
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>&2 echo -e "${color_bwhite}${*}${color_default}"
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}
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# Check if array contains an element (strict).
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# Usage: _contains <ELEMENT> <ARRAY>
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function _contains() {
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local IFS=$'\n'
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local target="${1}"
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local array="${@:2}"
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if [[ "${target}" = "" ]] || [[ "${array}" = "" ]]; then
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help _contains
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return 2
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fi
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for item in ${array[@]}; do
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[[ "${item}" = "${target}" ]] && return 0
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done
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return 1
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}
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# Check if inside Tmux.
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function _is_tmux() {
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[[ "${TERM_PROGRAM}" = "tmux" ]]
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}
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