mirror of
https://github.com/onceupon/Bash-Oneliner.git
synced 2024-11-22 12:57:01 +00:00
Update README.md
This commit is contained in:
onceupon
GitHub
parent
911bd9bc43
commit
da3e77c58b
210
README.md
210
README.md
@ -19,32 +19,32 @@ http://stackoverflow.com/users/4290753/once
|
||||
- [Others](#others)
|
||||
|
||||
##Grep
|
||||
extract text bewteen words (e.g. w1,w2)
|
||||
#####extract text bewteen words (e.g. w1,w2)
|
||||
|
||||
grep -o -P '(?<=w1).*(?=w2)'
|
||||
|
||||
|
||||
grep lines without word (e.g. bbo)
|
||||
#####grep lines without word (e.g. bbo)
|
||||
|
||||
grep -v bbo
|
||||
|
||||
grep and count (e.g. bbo)
|
||||
#####grep and count (e.g. bbo)
|
||||
|
||||
grep -c bbo filename
|
||||
|
||||
insensitive grep (e.g. bbo/BBO/Bbo)
|
||||
#####insensitive grep (e.g. bbo/BBO/Bbo)
|
||||
|
||||
grep -i "bbo" filename
|
||||
|
||||
count occurrence (e.g. three times a line count three times)
|
||||
#####count occurrence (e.g. three times a line count three times)
|
||||
|
||||
grep -o bbo filename
|
||||
|
||||
COLOR the match (e.g. bbo)!
|
||||
#####COLOR the match (e.g. bbo)!
|
||||
|
||||
grep --color bbo filename
|
||||
|
||||
grep search all files in a directory(e.g. bbo)
|
||||
#####grep search all files in a directory(e.g. bbo)
|
||||
|
||||
grep -R bbo /path/to/directory
|
||||
|
||||
@ -53,40 +53,40 @@ or
|
||||
|
||||
grep -r bbo /path/to/directory
|
||||
|
||||
search all files in directory, only output file names with matches(e.g. bbo)
|
||||
#####search all files in directory, only output file names with matches(e.g. bbo)
|
||||
|
||||
grep -Rh bbo /path/to/directory or
|
||||
|
||||
grep -rh bbo /path/to/directory
|
||||
|
||||
grep OR (e.g. A or B or C or D)
|
||||
#####grep OR (e.g. A or B or C or D)
|
||||
|
||||
grep 'A\|B\|C\|D'
|
||||
|
||||
grep AND (e.g. A and B)
|
||||
#####grep AND (e.g. A and B)
|
||||
|
||||
grep 'A.*B'
|
||||
|
||||
grep all content of a fileA from fileB
|
||||
#####grep all content of a fileA from fileB
|
||||
|
||||
grep -f fileA fileB
|
||||
|
||||
grep a tab
|
||||
#####grep a tab
|
||||
|
||||
grep $'\t'
|
||||
|
||||
##Sed
|
||||
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
|
||||
|
||||
remove lines with word (e.g. bbo)
|
||||
#####remove lines with word (e.g. bbo)
|
||||
|
||||
sed "/bbo/d" filename
|
||||
|
||||
edit infile (edit and save)
|
||||
#####edit infile (edit and save)
|
||||
|
||||
sed -i "/bbo/d" filename
|
||||
|
||||
when using variable (e.g. $i), use double quotes " "
|
||||
#####when using variable (e.g. $i), use double quotes " "
|
||||
e.g. add >$i to the first line (to make a FASTA file)
|
||||
|
||||
sed "1i >$i"
|
||||
@ -94,7 +94,7 @@ e.g. add >$i to the first line (to make a FASTA file)
|
||||
//'1i' means insert to first line
|
||||
|
||||
|
||||
delete empty lines
|
||||
#####delete empty lines
|
||||
|
||||
sed '/^\s*$/d'
|
||||
|
||||
@ -102,57 +102,57 @@ or
|
||||
|
||||
sed 's/^$/d'
|
||||
|
||||
delete last line
|
||||
#####delete last line
|
||||
|
||||
sed '$d'
|
||||
|
||||
add \n every nth character (e.g. every 4th character)
|
||||
#####add \n every nth character (e.g. every 4th character)
|
||||
|
||||
sed 's/.\{4\}/&\n/g'
|
||||
|
||||
substitution (e.g. replace A by B)
|
||||
#####substitution (e.g. replace A by B)
|
||||
|
||||
sed 's/A/B/g' filename
|
||||
|
||||
select lines start with string (e.g. bbo)
|
||||
#####select lines start with string (e.g. bbo)
|
||||
|
||||
sed -n '/^@S/p'
|
||||
|
||||
delete lines with string (e.g. bbo)
|
||||
#####delete lines with string (e.g. bbo)
|
||||
|
||||
sed '/bbo/d' filename
|
||||
|
||||
print every nth lines
|
||||
#####print every nth lines
|
||||
|
||||
sed -n '0~3p' filename
|
||||
//catch 0: start; 3: step
|
||||
|
||||
|
||||
print every odd # lines
|
||||
#####print every odd # lines
|
||||
|
||||
sed -n '1~2p'
|
||||
|
||||
print every third line including the first line
|
||||
#####print every third line including the first line
|
||||
|
||||
sed -n '1p;0~3p'
|
||||
|
||||
remove leading whitespace and tabs
|
||||
#####remove leading whitespace and tabs
|
||||
|
||||
sed -e 's/^[ \t]*//'
|
||||
//notice a whitespace before '\t'!!
|
||||
|
||||
|
||||
remove only leading whitespace
|
||||
#####remove only leading whitespace
|
||||
|
||||
sed 's/ *//'
|
||||
//notice a whitespace before '*'!!
|
||||
|
||||
|
||||
remove ending commas
|
||||
#####remove ending commas
|
||||
|
||||
sed 's/,$//g'
|
||||
|
||||
add a column to the end
|
||||
#####add a column to the end
|
||||
|
||||
sed "s/$/\t$i/"
|
||||
//$i is the valuable you want to add
|
||||
@ -160,7 +160,7 @@ e.g. add the filename to every last column of the file
|
||||
|
||||
for i in $(ls);do sed -i "s/$/\t$i/" $i;done
|
||||
|
||||
remove newline\ nextline
|
||||
#####remove newline\ nextline
|
||||
|
||||
sed ':a;N;$!ba;s/\n//g'
|
||||
|
||||
@ -168,56 +168,56 @@ remove newline\ nextline
|
||||
#Awk
|
||||
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
|
||||
|
||||
set tab as field separator
|
||||
#####set tab as field separator
|
||||
|
||||
awk -F $'\t'
|
||||
|
||||
output as tab separated (also as field separator)
|
||||
#####output as tab separated (also as field separator)
|
||||
|
||||
awk -v OFS='\t'
|
||||
|
||||
pass variable
|
||||
#####pass variable
|
||||
|
||||
a=bbo;b=obb;
|
||||
awk -v a="$a" -v b="$b" "$1==a && $10=b' filename
|
||||
|
||||
print number of characters on each line
|
||||
#####print number of characters on each line
|
||||
|
||||
awk '{print length ($0);}' filename
|
||||
|
||||
find number of columns
|
||||
#####find number of columns
|
||||
|
||||
awk '{print NF}'
|
||||
|
||||
reverse column order
|
||||
#####reverse column order
|
||||
|
||||
awk '{print $2, $1}'
|
||||
|
||||
check if there is a comma in a column (e.g. column $1)
|
||||
#####check if there is a comma in a column (e.g. column $1)
|
||||
|
||||
awk '$1~/,/ {print}'
|
||||
|
||||
split and do for loop
|
||||
#####split and do for loop
|
||||
|
||||
awk '{split($2, a,",");for (i in a) print $1"\t"a[i]} filename
|
||||
|
||||
print all lines before nth occurence of a string (e.g stop print lines when bbo appears 7 times)
|
||||
#####print all lines before nth occurence of a string (e.g stop print lines when bbo appears 7 times)
|
||||
|
||||
awk -v N=7 '{print}/bbo/&& --N<=0 {exit}'
|
||||
|
||||
add string to the beginning of a column (e.g add "chr" to column $3)
|
||||
#####add string to the beginning of a column (e.g add "chr" to column $3)
|
||||
|
||||
awk 'BEGIN{OFS="\t"}$3="chr"$3'
|
||||
|
||||
remove lines with string (e.g. bbo)
|
||||
#####remove lines with string (e.g. bbo)
|
||||
|
||||
awk '!/bbo/' file
|
||||
|
||||
column subtraction
|
||||
#####column subtraction
|
||||
|
||||
cat file| awk -F '\t' 'BEGIN {SUM=0}{SUM+=$3-$2}END{print SUM}'
|
||||
|
||||
usage and meaning of NR and FNR
|
||||
#####usage and meaning of NR and FNR
|
||||
e.g.
|
||||
fileA:
|
||||
a
|
||||
@ -234,7 +234,7 @@ fileA 3 3 c
|
||||
fileB 4 1 d
|
||||
fileB 5 2 e
|
||||
|
||||
and gate
|
||||
#####and gate
|
||||
|
||||
e.g.
|
||||
fileA:
|
||||
@ -266,7 +266,7 @@ fileB:
|
||||
|
||||
4 0
|
||||
|
||||
round all numbers of file (e.g. 2 significant figure)
|
||||
#####round all numbers of file (e.g. 2 significant figure)
|
||||
|
||||
awk '{while (match($0, /[0-9]+\[0-9]+/)){
|
||||
\printf "%s%.2f", substr($0,0,RSTART-1),substr($0,RSTART,RLENGTH)
|
||||
@ -275,7 +275,7 @@ round all numbers of file (e.g. 2 significant figure)
|
||||
\print
|
||||
\}'
|
||||
|
||||
give number/index to every row
|
||||
#####give number/index to every row
|
||||
|
||||
awk '{printf("%s\t%s\n",NR,$0)}'
|
||||
|
||||
@ -285,25 +285,25 @@ set tab as delimiter (default:space)
|
||||
|
||||
xargs -d\t
|
||||
|
||||
display 3 items per line
|
||||
#####display 3 items per line
|
||||
|
||||
echo 1 2 3 4 5 6| xargs -n 3
|
||||
//1 2 3
|
||||
4 5 6
|
||||
|
||||
|
||||
prompt before execution
|
||||
#####prompt before execution
|
||||
|
||||
echo a b c |xargs -p -n 3
|
||||
|
||||
print command along with output
|
||||
#####print command along with output
|
||||
|
||||
xargs -t abcd
|
||||
///bin/echo abcd
|
||||
//abcd
|
||||
|
||||
|
||||
with find and rm
|
||||
#####with find and rm
|
||||
|
||||
find . -name "*.html"|xargs rm -rf
|
||||
|
||||
@ -311,11 +311,11 @@ delete fiels with whitespace in filename (e.g. "hello 2001")
|
||||
|
||||
find . -name "*.c" -print0|xargs -0 rm -rf
|
||||
|
||||
show limits
|
||||
#####show limits
|
||||
|
||||
xargs --show-limits
|
||||
|
||||
move files to folder
|
||||
#####move files to folder
|
||||
|
||||
find . -name "*.bak" -print 0|xargs -0 -I {} mv {} ~/old
|
||||
|
||||
@ -323,50 +323,50 @@ or
|
||||
|
||||
find . -name "*.bak" -print 0|xargs -0 -I file mv file ~/old
|
||||
|
||||
move first 100th files to a directory (e.g. d1)
|
||||
#####move first 100th files to a directory (e.g. d1)
|
||||
|
||||
ls |head -100|xargs -I {} mv {} d1
|
||||
|
||||
parallel
|
||||
#####parallel
|
||||
|
||||
time echo {1..5} |xargs -n 1 -P 5 sleepa lot faster than
|
||||
|
||||
time echo {1..5} |xargs -n1 sleep
|
||||
|
||||
copy all files from A to B
|
||||
#####copy all files from A to B
|
||||
|
||||
find /dir/to/A -type f -name "*.py" -print 0| xargs -0 -r -I file cp -v -p file --target-directory=/path/to/B
|
||||
//v: verbose|
|
||||
//p: keep detail (e.g. owner)
|
||||
|
||||
|
||||
with sed
|
||||
#####with sed
|
||||
|
||||
ls |xargs -n1 -I file sed -i '/^Pos/d' filename
|
||||
|
||||
add the file name to the first line of file
|
||||
#####add the file name to the first line of file
|
||||
|
||||
ls |sed 's/.txt//g'|xargs -n1 -I file sed -i -e '1 i\>file\' file.txt
|
||||
|
||||
count all files
|
||||
#####count all files
|
||||
|
||||
ls |xargs -n1 wc -l
|
||||
|
||||
to filter txt to a single line
|
||||
#####to filter txt to a single line
|
||||
|
||||
ls -l| xargs
|
||||
|
||||
count files within directories
|
||||
#####count files within directories
|
||||
|
||||
echo mso{1..8}|xargs -n1 bash -c 'echo -n "$1:"; ls -la "$1"| grep -w 74 |wc -l' --
|
||||
// "--" signals the end of options and display further option processing
|
||||
|
||||
|
||||
download dependencies files and install (e.g. requirements.txt)
|
||||
#####download dependencies files and install (e.g. requirements.txt)
|
||||
|
||||
cat requirements.txt| xargs -n1 sudo pip install
|
||||
|
||||
count lines in all file, also count total lines
|
||||
#####count lines in all file, also count total lines
|
||||
|
||||
ls|xargs wc -l
|
||||
|
||||
@ -374,19 +374,19 @@ count lines in all file, also count total lines
|
||||
|
||||
##Find
|
||||
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
|
||||
list all sub directory/file in the current directory
|
||||
#####list all sub directory/file in the current directory
|
||||
|
||||
find .
|
||||
|
||||
list all files under the current directory
|
||||
#####list all files under the current directory
|
||||
|
||||
find . -type f
|
||||
|
||||
list all directories under the current directory
|
||||
#####list all directories under the current directory
|
||||
|
||||
find . -type d
|
||||
|
||||
edit all files under current directory (e.g. replace 'www' with 'ww')
|
||||
#####edit all files under current directory (e.g. replace 'www' with 'ww')
|
||||
|
||||
find . name '*.php' -exec sed -i 's/www/w/g' {} \;
|
||||
if no subdirectory
|
||||
@ -395,11 +395,11 @@ if no subdirectory
|
||||
//a space before *
|
||||
|
||||
|
||||
find and output only filename (e.g. "mso")
|
||||
#####find and output only filename (e.g. "mso")
|
||||
|
||||
find mso*/ -name M* -printf "%f\n"
|
||||
|
||||
find and delete file with size less than (e.g. 74 byte)
|
||||
#####find and delete file with size less than (e.g. 74 byte)
|
||||
|
||||
find . -name "*.mso" -size -74c -delete
|
||||
//M for MB, etc
|
||||
@ -407,15 +407,15 @@ find and delete file with size less than (e.g. 74 byte)
|
||||
|
||||
##Others
|
||||
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
|
||||
remove newline / nextline
|
||||
#####remove newline / nextline
|
||||
|
||||
tr --delete '\n' <input.txt >output.txt
|
||||
|
||||
replace newline
|
||||
#####replace newline
|
||||
|
||||
tr '\n' ' ' <filename
|
||||
|
||||
compare files (e.g. fileA, fileB)
|
||||
#####compare files (e.g. fileA, fileB)
|
||||
|
||||
diff fileA fileB
|
||||
//a: added; d:delete; c:changed
|
||||
@ -426,7 +426,7 @@ or
|
||||
//side-to-side merge of file differences
|
||||
|
||||
|
||||
number a file (e.g. fileA)
|
||||
#####number a file (e.g. fileA)
|
||||
|
||||
nl fileA
|
||||
|
||||
@ -437,17 +437,17 @@ or
|
||||
//add leading zeros
|
||||
|
||||
|
||||
combine/ paste two files (e.g. fileA, fileB)
|
||||
#####combine/ paste two files (e.g. fileA, fileB)
|
||||
|
||||
paste fileA fileB
|
||||
//default tab seperated
|
||||
|
||||
|
||||
reverse string
|
||||
#####reverse string
|
||||
|
||||
echo 12345| rev
|
||||
|
||||
read .gz file without extracting
|
||||
#####read .gz file without extracting
|
||||
|
||||
zmore filename
|
||||
|
||||
@ -455,7 +455,7 @@ or
|
||||
|
||||
zless filename
|
||||
|
||||
run in background, output error file
|
||||
#####run in background, output error file
|
||||
|
||||
(command here) 2>log &
|
||||
|
||||
@ -469,7 +469,7 @@ or
|
||||
//0: standard input; 1: standard output; 2: standard error
|
||||
|
||||
|
||||
send mail
|
||||
#####send mail
|
||||
|
||||
echo 'heres the content'| mail -A 'file.txt' -s 'mail.subject' me@gmail.com
|
||||
//use -a flag to set send from (-a "From: some@mail.tld")
|
||||
@ -479,18 +479,18 @@ send mail
|
||||
|
||||
xls2csv filename
|
||||
|
||||
append to file (e.g. hihi)
|
||||
#####append to file (e.g. hihi)
|
||||
|
||||
echo 'hihi' >>filename
|
||||
|
||||
make BEEP found
|
||||
#####make BEEP found
|
||||
|
||||
speaker-test -t sine -f 1000 -l1
|
||||
set beep duration
|
||||
|
||||
(speaker-test -t sine -f 1000) & pid=$!;sleep 0.1s;kill -9 $pid
|
||||
|
||||
history edit/ delete
|
||||
#####history edit/ delete
|
||||
|
||||
~/.bash_history
|
||||
|
||||
@ -498,11 +498,11 @@ or
|
||||
|
||||
history -d [line_number]
|
||||
|
||||
get last history/record filename
|
||||
#####get last history/record filename
|
||||
|
||||
head !$
|
||||
|
||||
clean screen
|
||||
#####clean screen
|
||||
|
||||
clear
|
||||
|
||||
@ -510,20 +510,20 @@ or
|
||||
|
||||
Ctrl+l
|
||||
|
||||
send data to last edited file
|
||||
#####send data to last edited file
|
||||
|
||||
cat /directory/to/file
|
||||
echo 100>!$
|
||||
|
||||
run history number (e.g. 53)
|
||||
#####run history number (e.g. 53)
|
||||
|
||||
!53
|
||||
|
||||
run last command
|
||||
#####run last command
|
||||
|
||||
!!
|
||||
|
||||
run last command that began with (e.g. cat filename)
|
||||
#####run last command that began with (e.g. cat filename)
|
||||
|
||||
!cat
|
||||
|
||||
@ -533,24 +533,24 @@ or
|
||||
//run cat filename again
|
||||
|
||||
|
||||
extract .xf
|
||||
#####extract .xf
|
||||
|
||||
1.unxz filename.tar.xz
|
||||
2.tar -xf filename.tar
|
||||
|
||||
install python package
|
||||
#####install python package
|
||||
|
||||
pip install packagename
|
||||
|
||||
random order (lucky draw)
|
||||
#####random order (lucky draw)
|
||||
|
||||
for i in a b c d e; do echo $i; done| shuf
|
||||
|
||||
echo a random number
|
||||
#####echo a random number
|
||||
|
||||
echo $RANDOM
|
||||
|
||||
Download file if necessary
|
||||
#####Download file if necessary
|
||||
|
||||
data=file.txt
|
||||
url=http://www.example.com/$data
|
||||
@ -559,15 +559,15 @@ Download file if necessary
|
||||
wget $url
|
||||
fi
|
||||
|
||||
wget to a filename (when a long name)
|
||||
#####wget to a filename (when a long name)
|
||||
|
||||
wget -O filename "http://example.com"
|
||||
|
||||
wget files to a folder
|
||||
#####wget files to a folder
|
||||
|
||||
wget -P /path/to/directory "http://example.com"
|
||||
|
||||
delete current bash command
|
||||
#####delete current bash command
|
||||
|
||||
Ctrl+U
|
||||
|
||||
@ -581,21 +581,21 @@ or
|
||||
//to make it to history
|
||||
|
||||
|
||||
add things to history (e.g. "addmetohistory")
|
||||
#####add things to history (e.g. "addmetohistory")
|
||||
|
||||
#addmetodistory
|
||||
//just add a "#" before~~
|
||||
|
||||
|
||||
sleep awhile or wait for a moment or schedule a job
|
||||
#####sleep awhile or wait for a moment or schedule a job
|
||||
|
||||
sleep 5;echo hi
|
||||
|
||||
count the time for executing a command
|
||||
#####count the time for executing a command
|
||||
|
||||
time echo hi
|
||||
|
||||
backup with rsync
|
||||
#####backup with rsync
|
||||
|
||||
rsync -av filename filename.bak
|
||||
rsync -av directory directory.bak
|
||||
@ -604,43 +604,43 @@ backup with rsync
|
||||
//skip files that are newer on receiver (i prefer this one!)
|
||||
|
||||
|
||||
make all directories at one time!
|
||||
#####make all directories at one time!
|
||||
|
||||
mkdir -p project/{lib/ext,bin,src,doc/{html,info,pdf},demo/stat}
|
||||
//-p: make parent directory
|
||||
//this will create project/doc/html/; project/doc/info; project/lib/ext ,etc
|
||||
|
||||
|
||||
run command only if another command returns zero exit status (well done)
|
||||
#####run command only if another command returns zero exit status (well done)
|
||||
|
||||
cd tmp/ && tar xvf ~/a.tar
|
||||
|
||||
run command only if another command returns non-zero exit status (not finish)
|
||||
#####run command only if another command returns non-zero exit status (not finish)
|
||||
|
||||
cd tmp/a/b/c ||mkdir -p tmp/a/b/c
|
||||
|
||||
extract to a path
|
||||
#####extract to a path
|
||||
|
||||
tar xvf -C /path/to/directory filename.gz
|
||||
|
||||
use backslash "\" to break long command
|
||||
#####use backslash "\" to break long command
|
||||
|
||||
cd tmp/a/b/c \
|
||||
> || \
|
||||
>mkdir -p tmp/a/b/c
|
||||
|
||||
get pwd
|
||||
#####get pwd
|
||||
|
||||
VAR=$PWD; cd ~; tar xvf -C $VAR file.tar
|
||||
//PWD need to be capital letter
|
||||
|
||||
list file type of file (e.g. /tmp/)
|
||||
#####list file type of file (e.g. /tmp/)
|
||||
|
||||
file /tmp/
|
||||
//tmp/: directory
|
||||
|
||||
|
||||
bash script
|
||||
#####bash script
|
||||
|
||||
#!/bin/bash
|
||||
file=${1#*.}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user