diff options
Diffstat (limited to 'dotfiles/common/.zshrc.d/utilities.sh')
| -rw-r--r-- | dotfiles/common/.zshrc.d/utilities.sh | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/dotfiles/common/.zshrc.d/utilities.sh b/dotfiles/common/.zshrc.d/utilities.sh new file mode 100644 index 0000000..431cac0 --- /dev/null +++ b/dotfiles/common/.zshrc.d/utilities.sh @@ -0,0 +1,206 @@ +# utilities.sh +# Craig Jennings <c@cjennings.net> +# General utility functions + +# ============================================================================= +# Archive Extraction +# ============================================================================= +extract() { + if [ -f "$1" ]; then + case "$1" in + *.tar.bz2) tar xjf "$1" ;; + *.tar.gz) tar xzf "$1" ;; + *.bz2) bunzip2 "$1" ;; + *.rar) rar x "$1" ;; + *.gz) gunzip "$1" ;; + *.tar) tar xf "$1" ;; + *.tbz2) tar xjf "$1" ;; + *.tgz) tar xzf "$1" ;; + *.zip) unzip "$1" ;; + *.Z) uncompress "$1" ;; + *) echo "$1 cannot be extracted via extract()" ;; + esac + else + echo "$1 is not a valid file" + fi +} + +# ============================================================================= +# Archive Compression +# ============================================================================= +compress() { + if [ $# -ne 2 ]; then + echo "Usage: compress <format> <file_or_directory>" + echo "Formats: tar.bz2, tar.gz, bz2, tar, tbz2, tgz, zip, gz, Z" + return 1 + fi + + format="$1" + target="$2" + + if [ ! -e "$target" ]; then + echo "Error: '$target' does not exist" + return 1 + fi + + basename=$(basename "$target") + + case "$format" in + tar.bz2|tbz2) output="${basename}.tar.bz2" ;; + tar.gz|tgz) output="${basename}.tar.gz" ;; + bz2) output="${target}.bz2" ;; + gz) output="${target}.gz" ;; + tar) output="${basename}.tar" ;; + zip) output="${basename}.zip" ;; + Z) output="${target}.Z" ;; + *) + echo "Error: Unknown format '$format'" + return 1 + ;; + esac + + if [ -e "$output" ]; then + printf "Warning: '%s' already exists. Overwrite? (y/N): " "$output" + read -r response + case "$response" in + [yY]|[yY][eE][sS]) rm -f "$output" ;; + *) echo "Aborted." && return 1 ;; + esac + fi + + case "$format" in + tar.bz2|tbz2) tar -cjf "$output" "$target" ;; + tar.gz|tgz) tar -czf "$output" "$target" ;; + bz2) + [ -d "$target" ] && echo "Error: bz2 only works on files" && return 1 + bzip2 -k "$target" + ;; + gz) + [ -d "$target" ] && echo "Error: gz only works on files" && return 1 + gzip -k "$target" + ;; + tar) tar -cf "$output" "$target" ;; + zip) + [ -d "$target" ] && zip -r "$output" "$target" || zip "$output" "$target" + ;; + Z) + [ -d "$target" ] && echo "Error: Z only works on files" && return 1 + command compress -c "$target" > "$output" + ;; + esac + + [ $? -eq 0 ] && echo "Created $output" || echo "Compression failed" +} + +# ============================================================================= +# DD Helper +# ============================================================================= +dd_with_bs() { + OUT_DIR=$(dirname "$2") + if [ ! -e "$1" ] || [ ! -e "$OUT_DIR" ]; then + echo "$1 or $OUT_DIR doesn't exist" + return 1 + fi + IN_BS=$(stat -c "%o" "$1") + OUT_BS=$(stat -c "%o" "$OUT_DIR") + echo dd \"if=$1\" \"of=$2\" \"ibs=$IN_BS\" \"obs=$OUT_BS\" +} + +# ============================================================================= +# Clock, Timer, Alarm, Stopwatch +# ============================================================================= +export BEEP="/usr/share/sounds/freedesktop/stereo/bell.oga" +alias beep='paplay $BEEP' + +clock() { + while true; do + tput clear + echo "" + date +" %l : %M %p" | figlet -f roman -w 200 + sleep 1 + done +} + +timer() { + if [ "$#" -lt 2 ]; then + echo "Pass the time and a notification. Example: timer 1h30m Parking expiring" + return 1 + fi + message="${*:2}" + start_time=$(date +"%H:%M:%S %p") + printf "\nStarting %s timer at %s\n" "$1" "$start_time" + snore "$1" && paplay "$BEEP" && notify-send "Timer" "$message" +} + +alarm() { + if [ "$#" -lt 2 ]; then + echo "Pass both the time and a message. Example: alarm 1:45pm Time to eat!" + return 1 + fi + + if ! date -d "$1" >/dev/null 2>&1; then + echo "Invalid time: $1" + return 1 + fi + + echo "paplay \$BEEP && notify-send \"Alarm\" \"$*\"" | at "$1" >/dev/null 2>&1 + echo "" + echo "Alarm '${*:2}' is queued for $1." + echo "To see all alarms: atq" + echo "To remove an alarm: atrm <number>" + echo "" +} + +# Stopwatch +sw_start_time=0 +sw_started=0 + +swreset() { + sw_start_time=0 + sw_started=0 + echo "Stopwatch reset" +} + +swshow() { + if [ "$sw_started" = 0 ]; then + echo "Error: Stopwatch not started" >&2 + return 1 + fi + + current_time=$(date +%s) + elapsed_time=$((current_time - sw_start_time)) + + if [ "$elapsed_time" -lt 60 ]; then + echo "Elapsed time: $elapsed_time seconds" + elif [ "$elapsed_time" -lt 3600 ]; then + minutes=$((elapsed_time / 60)) + seconds=$((elapsed_time % 60)) + echo "Elapsed time: $minutes minutes, $seconds seconds" + else + hours=$((elapsed_time / 3600)) + minutes=$(((elapsed_time / 60) % 60)) + seconds=$((elapsed_time % 60)) + echo "Elapsed time: $hours hours, $minutes minutes, $seconds seconds" + fi +} + +swstop() { + swshow + swreset +} + +swstart() { + if [ "$sw_started" = 1 ]; then + printf "Stopwatch is already started. Reset? (y/n): " + read -r answer + case "$answer" in + [yY]) swreset ;; + [nN]) echo "Stopwatch not reset." && swshow && return ;; + *) echo "Error: Invalid input." >&2 && return 1 ;; + esac + fi + + sw_started=1 + sw_start_time=$(date +%s) + printf "Stopwatch started at %s\n\n" "$(date +"%H:%M:%S %p")" +} |