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style: use -n flag in head and tail commands (#10391)

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Co-authored-by: Marc Cornellà <hello@mcornella.com>
This commit is contained in:
Kevin Burke 2021-11-09 00:04:10 -08:00 committed by GitHub
parent 55682e3692
commit e86c6f5e7f
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 15 additions and 15 deletions
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2
lib/diagnostics.zsh
View file

@ -335,7 +335,7 @@ function _omz_diag_dump_os_specific_version() {
builtin echo "OS Version: $osname $osver build $(sw_vers -buildVersion)"
;;
cygwin)
command systeminfo | command head -4 | command tail -2
command systeminfo | command head -n 4 | command tail -n 2
;;
esac

2
lib/directories.zsh
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@ -26,7 +26,7 @@ function d () {
if [[ -n $1 ]]; then
dirs "$@"
else
dirs -v | head -10
dirs -v | head -n 10
fi
}
compdef _dirs d

4
lib/functions.zsh
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@ -1,7 +1,7 @@
function zsh_stats() {
fc -l 1 \
| awk '{ CMD[$2]++; count++; } END { for (a in CMD) print CMD[a] " " CMD[a]*100/count "% " a }' \
| grep -v "./" | sort -nr | head -20 | column -c3 -s " " -t | nl
| grep -v "./" | sort -nr | head -n 20 | column -c3 -s " " -t | nl
}
function uninstall_oh_my_zsh() {
@ -45,7 +45,7 @@ function takeurl() {
data="$(mktemp)"
curl -L "$1" > "$data"
tar xf "$data"
thedir="$(tar tf "$data" | head -1)"
thedir="$(tar tf "$data" | head -n 1)"
rm "$data"
cd "$thedir"
}

2
lib/git.zsh
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@ -51,7 +51,7 @@ function parse_git_dirty() {
FLAGS+="--ignore-submodules=${GIT_STATUS_IGNORE_SUBMODULES:-dirty}"
;;
esac
STATUS=$(__git_prompt_git status ${FLAGS} 2> /dev/null | tail -1)
STATUS=$(__git_prompt_git status ${FLAGS} 2> /dev/null | tail -n 1)
fi
if [[ -n $STATUS ]]; then
echo "$ZSH_THEME_GIT_PROMPT_DIRTY"

2
plugins/scd/scd
View file

@ -270,7 +270,7 @@ fi
# Determine the last recorded directory
if [[ -s ${SCD_HISTFILE} ]]; then
last_directory=${"$(tail -1 ${SCD_HISTFILE})"#*;}
last_directory=${"$(tail -n 1 ${SCD_HISTFILE})"#*;}
fi
# The "record" function adds its arguments to the directory index.

4
plugins/systemadmin/README.md
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@ -17,9 +17,9 @@ plugins=(... systemadmin)
| path | `print -l $path` | Displays PATH with each entry on a separate line |
| mkdir | `mkdir -pv` | Automatically create parent directories and display verbose output |
| psmem | `ps -e -orss=,args= \| sort -b -k1 -nr` | Display the processes using the most memory |
| psmem10 | `ps -e -orss=,args= \| sort -b -k1 -nr \| head -10` | Display the top 10 processes using the most memory |
| psmem10 | `ps -e -orss=,args= \| sort -b -k1 -nr \| head -n 10` | Display the top 10 processes using the most memory |
| pscpu | `ps -e -o pcpu,cpu,nice,state,cputime,args \|sort -k1 -nr` | Display the top processes using the most CPU |
| pscpu10 | `ps -e -o pcpu,cpu,nice,state,cputime,args \|sort -k1 -nr \| head -10` | Display the top 10 processes using the most CPU |
| pscpu10 | `ps -e -o pcpu,cpu,nice,state,cputime,args \|sort -k1 -nr \| head -n 10` | Display the top 10 processes using the most CPU |
| hist10 | `print -l ${(o)history%% *} \| uniq -c \| sort -nr \| head -n 10` | Display the top 10 most used commands in the history |
## Functions

12
plugins/systemadmin/systemadmin.plugin.zsh
View file

@ -26,10 +26,10 @@ alias path='print -l $path'
alias mkdir='mkdir -pv'
# get top process eating memory
alias psmem='ps -e -orss=,args= | sort -b -k1 -nr'
alias psmem10='ps -e -orss=,args= | sort -b -k1 -nr | head -10'
alias psmem10='ps -e -orss=,args= | sort -b -k1 -nr | head -n 10'
# get top process eating cpu if not work try excute : export LC_ALL='C'
alias pscpu='ps -e -o pcpu,cpu,nice,state,cputime,args|sort -k1,1n -nr'
alias pscpu10='ps -e -o pcpu,cpu,nice,state,cputime,args|sort -k1,1n -nr | head -10'
alias pscpu10='ps -e -o pcpu,cpu,nice,state,cputime,args|sort -k1,1n -nr | head -n 10'
# top10 of the history
alias hist10='print -l ${(o)history%% *} | uniq -c | sort -nr | head -n 10'
@ -74,7 +74,7 @@ req20() {
# top20 of Using tcpdump port 80 access to view
http20() {
sudo tcpdump -i eth0 -tnn dst port 80 -c 1000 | awk -F"." '{print $1"."$2"."$3"."$4}' | sort | uniq -c | sort -nr |head -20
sudo tcpdump -i eth0 -tnn dst port 80 -c 1000 | awk -F"." '{print $1"."$2"."$3"."$4}' | sort | uniq -c | sort -nr |head -n 20
}
# top20 of Find time_wait connection
@ -99,14 +99,14 @@ accessip10() {
# top20 of Most Visited file or page
visitpage20() {
awk '{print $11}' "$(retlog)"|sort|uniq -c|sort -nr|head -20
awk '{print $11}' "$(retlog)"|sort|uniq -c|sort -nr|head -n 20
}
# top100 of Page lists the most time-consuming (more than 60 seconds) as well as the corresponding page number of occurrences
consume100() {
awk '($NF > 60 && $7~/\.php/){print $7}' "$(retlog)" |sort -n|uniq -c|sort -nr|head -100
awk '($NF > 60 && $7~/\.php/){print $7}' "$(retlog)" |sort -n|uniq -c|sort -nr|head -n 100
# if django website or other webiste make by no suffix language
# awk '{print $7}' "$(retlog)" |sort -n|uniq -c|sort -nr|head -100
# awk '{print $7}' "$(retlog)" |sort -n|uniq -c|sort -nr|head -n 100
}
# Website traffic statistics (G)

2
tools/install.sh
View file

@ -311,7 +311,7 @@ EOF
# 1. Use the most preceding one based on $PATH, then check that it's in the shells file
# 2. If that fails, get a zsh path from the shells file, then check it actually exists
if ! zsh=$(command -v zsh) || ! grep -qx "$zsh" "$shells_file"; then
if ! zsh=$(grep '^/.*/zsh$' "$shells_file" | tail -1) || [ ! -f "$zsh" ]; then
if ! zsh=$(grep '^/.*/zsh$' "$shells_file" | tail -n 1) || [ ! -f "$zsh" ]; then
fmt_error "no zsh binary found or not present in '$shells_file'"
fmt_error "change your default shell manually."
return