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Grep: Take advantage of -F and -e to speedup grep

This commit is contained in:
Dylan Araps 2016-11-06 20:04:24 +11:00
parent ba0c7e441f
commit 4b16e28998
1 changed files with 17 additions and 16 deletions
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@ -127,8 +127,8 @@ getdistro() {
case "$os" in case "$os" in
"Linux" | "GNU") "Linux" | "GNU")
if grep -q 'Microsoft' /proc/version >/dev/null || \ if grep -q -F 'Microsoft' /proc/version >/dev/null || \
grep -q 'Microsoft' /proc/sys/kernel/osrelease >/dev/null; then grep -q -F 'Microsoft' /proc/sys/kernel/osrelease >/dev/null; then
case "$distro_shorthand" in case "$distro_shorthand" in
"on") distro="$(lsb_release -sir) [Windows 10]" ;; "on") distro="$(lsb_release -sir) [Windows 10]" ;;
"tiny") distro="Windows 10" ;; "tiny") distro="Windows 10" ;;
@ -573,14 +573,14 @@ getwm() {
# Fallback for Wayland wms # Fallback for Wayland wms
case "$wm" in case "$wm" in
"xwlc") wm="$(ps -e | grep -m 1 -oE "sway|orbment|velox|orbital")" ;; "xwlc") wm="$(ps -e | grep -m 1 -o -F -e "sway" -e "orbment" -e "velox" -e "orbital")" ;;
esac esac
else else
case "$os" in case "$os" in
"Mac OS X") wm="Quartz Compositor" ;; "Mac OS X") wm="Quartz Compositor" ;;
"Windows") "Windows")
wm="$(tasklist | grep -m 1 -o "bugn\|Windawesome\|blackbox\|emerge\|litestep")" wm="$(tasklist | grep -m 1 -o -F -e "bugn" -e "Windawesome" -e "blackbox" -e "emerge" -e "litestep")"
[ "$wm" == "blackbox" ] && wm="bbLean (Blackbox)" [ "$wm" == "blackbox" ] && wm="bbLean (Blackbox)"
wm="${wm:+$wm, }Explorer" wm="${wm:+$wm, }Explorer"
;; ;;
@ -697,7 +697,7 @@ getwmtheme() {
;; ;;
"Blackbox" | "bbLean"*) "Blackbox" | "bbLean"*)
path="$(wmic process get ExecutablePath | grep "blackbox")" path="$(wmic process get ExecutablePath | grep -F "blackbox")"
path="${path//'\'/'/'}" path="${path//'\'/'/'}"
wmtheme="$(grep "^session\.styleFile:" ${path/\.exe/.rc})" wmtheme="$(grep "^session\.styleFile:" ${path/\.exe/.rc})"
@ -851,7 +851,7 @@ getcpu() {
# Show/hide hyperthreaded cores # Show/hide hyperthreaded cores
case "$cpu_cores" in case "$cpu_cores" in
"logical" | "on") cores="$(kstat -m cpu_info | grep -c "chip_id")" ;; "logical" | "on") cores="$(kstat -m cpu_info | grep -c -F "chip_id")" ;;
"physical") cores="$(psrinfo -p)" ;; "physical") cores="$(psrinfo -p)" ;;
esac esac
@ -871,7 +871,7 @@ getcpu() {
speed="$(sysinfo -cpu | awk '/running at/ {print $NF; exit}')" speed="$(sysinfo -cpu | awk '/running at/ {print $NF; exit}')"
speed="${speed/MHz}" speed="${speed/MHz}"
speed="$((speed / 100))" speed="$((speed / 100))"
cores="$(sysinfo -cpu | grep -c 'CPU #')" cores="$(sysinfo -cpu | grep -c -F 'CPU #')"
# Fix for speed under 1ghz # Fix for speed under 1ghz
if [ -z ] "${speed:1}"; then if [ -z ] "${speed:1}"; then
@ -942,7 +942,7 @@ getcpu_usage() {
case "$os" in case "$os" in
"Linux") cores="$(awk -F ': ' '/siblings/ {printf $2; exit}' /proc/cpuinfo)" ;; "Linux") cores="$(awk -F ': ' '/siblings/ {printf $2; exit}' /proc/cpuinfo)" ;;
"Mac OS X" | "BSD") cores="$(sysctl -n hw.ncpu)" ;; "Mac OS X" | "BSD") cores="$(sysctl -n hw.ncpu)" ;;
"Solaris") cores="$(kstat -m cpu_info | grep "chip_id" | wc -l | tr -d ' ')" ;; "Solaris") cores="$(kstat -m cpu_info | grep -F "chip_id" | wc -l | tr -d ' ')" ;;
"iPhone OS") cores="${cpu/*\(}"; cores="${cores/\)*}" ;; "iPhone OS") cores="${cpu/*\(}"; cores="${cores/\)*}" ;;
esac esac
fi fi
@ -972,7 +972,7 @@ getgpu() {
if [ -f "/tmp/neofetch/gpu" ]; then if [ -f "/tmp/neofetch/gpu" ]; then
source "/tmp/neofetch/gpu" source "/tmp/neofetch/gpu"
else else
bdf_number="$(PATH="/sbin:$PATH" lspci -k | grep -A2 'VGA' | grep -B2 'Kernel driver in use' | awk '/^\w/ {print $1}')" bdf_number="$(PATH="/sbin:$PATH" lspci -k | grep -A2 -F 'VGA' | grep -B2 -F 'Kernel driver in use' | awk '/^\w/ {print $1}')"
if [ -z "$bdf_number" ]; then if [ -z "$bdf_number" ]; then
# Fallback if no kernel driver is in use # Fallback if no kernel driver is in use
@ -1056,7 +1056,7 @@ getgpu() {
"BSD" | "Solaris") "BSD" | "Solaris")
case "$distro" in case "$distro" in
"FreeBSD"* | "DragonFlyBSD"* | "PacBSD"*) "FreeBSD"* | "DragonFlyBSD"* | "PacBSD"*)
gpu="$(pciconf -lv | grep -B 4 "VGA" | grep "device")" gpu="$(pciconf -lv | grep -B 4 -F "VGA" | grep -F "device")"
gpu="${gpu/*device*= }" gpu="${gpu/*device*= }"
gpu="${gpu//\'}" gpu="${gpu//\'}"
;; ;;
@ -1074,7 +1074,7 @@ getgpu() {
;; ;;
"Haiku") "Haiku")
gpu="$(listdev | grep -A2 -e 'device Display controller' | awk -F':' '/device beef/ {print $2}')" gpu="$(listdev | grep -A2 -F 'device Display controller' | awk -F':' '/device beef/ {print $2}')"
;; ;;
esac esac
@ -1132,7 +1132,7 @@ getmemory() {
;; ;;
"Solaris") "Solaris")
memtotal="$(prtconf | grep Memory | head -1 | awk 'BEGIN {FS=" "} {print $3}')" memtotal="$(prtconf | grep -F "Memory" | head -1 | awk 'BEGIN {FS=" "} {print $3}')"
memfree="$(($(sar -r 1 1 | tail -1 | awk 'BEGIN {FS=" "} {print $2}') / 1024))" memfree="$(($(sar -r 1 1 | tail -1 | awk 'BEGIN {FS=" "} {print $2}') / 1024))"
memused="$((memtotal - memfree))" memused="$((memtotal - memfree))"
;; ;;
@ -1169,7 +1169,8 @@ getsong() {
"cmus"*) "cmus"*)
IFS=$'\n' IFS=$'\n'
song=($(cmus-remote -Q | grep "tag artist \|tag title \|status" | sort)) song=($(cmus-remote -Q | grep -F -e "tag artist" -e "tag title" -e "status" | sort))
state="${song[0]/status }" state="${song[0]/status }"
artist="${song[1]/tag artist }" artist="${song[1]/tag artist }"
title="${song[2]/tag title }" title="${song[2]/tag title }"
@ -1542,7 +1543,7 @@ getterm() {
;; ;;
"Linux") "Linux")
parent="$(grep -i "PPid:" "/proc/${1:-$PPID}/status")" parent="$(grep -i -F "PPid:" "/proc/${1:-$PPID}/status")"
name="$(< "/proc/$(trim "${parent/PPid:}")/comm")" name="$(< "/proc/$(trim "${parent/PPid:}")/comm")"
;; ;;
@ -1570,7 +1571,7 @@ gettermfont() {
case "$term" in case "$term" in
"urxvt" | "urxvtd" | "xterm") "urxvt" | "urxvtd" | "xterm")
termfont="$(grep -i "${term/d}\*font" <<< $(xrdb -query))" termfont="$(grep -i -F "${term/d}*font" <<< $(xrdb -query))"
termfont="${termfont/*font: }" termfont="${termfont/*font: }"
# Xresources has two different font syntax, this checks which # Xresources has two different font syntax, this checks which
@ -2128,7 +2129,7 @@ getimage() {
[ "$image_backend" != "iterm2" ]; then [ "$image_backend" != "iterm2" ]; then
if type -p xdpyinfo >/dev/null 2>&1; then if type -p xdpyinfo >/dev/null 2>&1; then
current_window="$(xdpyinfo | grep focus | grep -E -o 0x[0-9a-f]+)" current_window="$(xdpyinfo | grep -F "focus" | grep -E -o 0x[0-9a-f]+)"
elif type -p xprop >/dev/null 2>&1; then elif type -p xprop >/dev/null 2>&1; then
current_window="$(xprop -root | awk '/_NET_ACTIVE_WINDOW\(WINDOW\)/{print $NF}')" current_window="$(xprop -root | awk '/_NET_ACTIVE_WINDOW\(WINDOW\)/{print $NF}')"
fi fi