Syntaxe de la commande : – awk 'script ' < entrée – commandes awk 'script' suite
grep, awk and sed – three VERY useful command-line utilities Matt Probert, Uni of York grep = global regular expression print In the simplest terms, grep
7 déc 2017 · sed et Awk sont des outils absolument indispensables pour l'administrateur Le programme sed va agir sur les lignes d'un fichier de texte ou
TP : awk(1) et sed(1) Alexandra 5 awk '{ printf " 2f s\n", 100*$1/n, $2 }' \ 6 n =$(wc -w $1 La première commande sed(1) se charge de mettre en valeur
Today • Stream manipulation: – sed – awk All editing commands in a sed script are applied in order to As each line of the input file is read, sed reads the
command ▷ Sample sed-script file: #This line is a comment 2,14 s/
Bash Crash course + bc + sed + awk ∗ Andrey Lukyanenko, CSE, Aalto University Fall, 2011 There are many Unix shell programs: bash, sh, csh, tcsh, ksh,
ASUR4: Expressions régulières, grep, find, sed, awk Permet d'obtenir les lignes contenant la chaîne de caractère Brest, soit : olivier:29:0298333242:Brest
[PDF] aws 3 tier architecture terraform
[PDF] aws architecture best practices
[PDF] aws architecture diagram tool
[PDF] aws architecture pdf
[PDF] aws associate certification exam date
[PDF] aws assurance program
[PDF] aws certificate of insurance
[PDF] aws certification cloud practitioner book
[PDF] aws certification results
[PDF] aws certification results 5 days
[PDF] aws certification test schedule
[PDF] aws certified cloud practitioner
[PDF] aws certified cloud practitioner (clf c01) cert guide first edition pdf
[PDF] aws certified cloud practitioner best book
[PDF] aws certified cloud practitioner book
sedandawkProgramming
March 2017
1/1 sed I
Character Stream Processor for ASCII les
n otreally an edito r! I Operational model:sedscans the input ASCII le on a line-by-line fa shionand applies a set of rules to all lines. I sedhas three options: -e: script is on the command line (default case) -f: nds all rules that are applied in a specic (script) le. -n: suppresses the outputscript sed input ASCII file2/1
Invokingsed
I bash>sed -e 'address command' inputfile I bash>sed -f script.sed inputfile I each instructions given tosedconsists of anaddressand command. I
Sample sed-script le:#Thisl inei sa c omment
2,14 s/A/B/
30d
40d
1. F romlines 2 to 14 substitute the cha racterAwithB 2.
Line 30 - dele teit!
3.
Line 40 - dele teit!
3/1 sed 's/[0-9]//g' gympie:~/Samples$ c at l ista john 32 london eduardo 19 brazilia winnie 97 cordoba jean 21 athens marco 7 buenosaires filip 23 telaviv dennis 15 brisbane louis 31 heraclion dimi 34 heraclion ji 27 washington hyseyin 33 izmir gympie:~/Samples$ gympie:~/Samples$ c at l ista| s ed ' s/[0-9]//g' john london eduardo brazilia winnie cordoba jean athens marco buenosaires filip telaviv dennis brisbane louis heraclion dimi heraclion ji washington hyseyin izmir gympie:~/Samples$ 4/1 Substitution at the front and at the end of a line gympie:~/Samples$ c at l ista| s ed ' s/$/>>>/' john 32 london >>> eduardo 19 brazilia >>> winnie 97 cordoba >>> jean 21 athens >>> marco 7 buenosaires >>> filip 23 telaviv >>> dennis 15 brisbane >>> louis 31 heraclion >>> dimi 34 heraclion >>> ji 27 washington >>> hyseyin 33 izmir >>> gympie:~/Samples$ c at l ista| s ed ' s/$/>>>/g'| \ sed ' s/^/<<>> <<
>> <<>> <<>> <<>> <<>> <<>> <<>> <<>> <<>> <<>> gympie:~/Samples$5/1 Entire-Pattern and Numbered-Buer Substitutions
I & : designates the entire pattern (just matched). I n( andn): designate anumb eredpattern later on identied b y its respective number-id such as:n1,n2,n3, etc.6/1 Examples with Entire/Numbered-Buers Substitutions
gympie:~/Samples$ c at t ilefona Alex Delis 6973304567
Mike Hatzopoulos 6934400567
Thomas Sfikopulos 6945345098
Stavros Kolliopulos 6911345123
Aggelos Kiagias 6978098765
gympie:~/Samples$ gympie:~/Samples$ c at t ilefona| s ed Alex Delis 6973-30-4567
Mike Hatzopoulos 6934-40-0567
Thomas Sfikopulos 6945-34-5098
Stavros Kolliopulos 6911-34-5123
Aggelos Kiagias 6978-09-8765
gympie:~/Samples$ 7/1 Another Example
gympie:~/Samples$ c at p ricelist **This is the price list** of good today Breakfast 10.03
Lunch 11.45
Dinner 7.56
gympie:~/Samples$ s ed ' s/[0-9]/$&/'p ricelist **This is the price list** of good today Breakfast $10.03
Lunch $11.45
Dinner $7.56
gympie:~/Samples$ s ed ' s/[0-9]/$&/3'p ricelist **This is the price list** of good today Breakfast 10.$03
Lunch 11.$45
Dinner 7.5$6
gympie:~/Samples$ 8/1 Localandglobalsubstitutionsgympie:~/Samples$c att ext2 I had a black dog, a white dog, a yellow dog and
a fine white c at a nda p ink c at a sw ella sa c roc. These are my animals: dogs, cats and a croc.
gympie:~/Samples$ c at t ext2| s ed ' 1s /dog/DOG/g' I had a black DOG, a white DOG, a yellow DOG and
a fine white c at a nda p ink c at a sw ella sa c roc. These are my animals: dogs, cats and a croc.
gympie:~/Samples$ c at t ext2| s ed ' 1s /dog/DOG/' I had a black DOG, a white dog, a yellow dog and
a fine white c at a nda p ink c at a sw ella sa c roc. These are my animals: dogs, cats and a croc.
gympie:~/Samples$ c at t ext2| s ed ' s/dog/DOG/g' I had a black DOG, a white DOG, a yellow DOG and
a fine white c at a nda p ink c at a sw ella sa c roc. These are my animals: DOGs, cats and a croc.
gympie:~/Samples$ c at t ext2| s ed ' 1,2s / cat /CAT/2' I had a black dog, a white dog, a yellow dog and
a fine white c at a nda p inkC ATa sw ella sa c roc. These are my animals: dogs, cats and a croc.
gympie:~/Samples$9/1 Suppressing the outpur (-n) - creating new (p/w)gympie:~/Samples$ ls -l total 48 -rw-r--r-- 1 ad ad 328 2010-03-05 11:54 lista drwxr -xr-x 2 ad ad 4096 2010-03-05 14:21 MyDir1 drwxr -xr-x 2 ad ad 4096 2010-03-05 14:21 MyDir2 -rw-r--r-- 1 ad ad 0 2010-03-04 23:45 out1 -rw-r--r-- 1 ad ad 112 2010-03-05 10:08 pricelist -rwxr-xr-x 1 ad ad 51 2010-03-03 18:23 script1 -rw-r--r-- 1 ad ad 1603 2010-03-04 23:42 text1 -rw-r--r-- 1 ad ad 146 2010-03-05 13:56 text2 -rw-r--r-- 1 ad ad 165 2010-03-05 09:56 tilefona gympie:~/Samples$ ls -l | s ed - n" /^-/s/\([-rwx]*\).*:..\(.*\)/\1\2/p" -rw-r--r-- lista -rw-r--r-- out1 -rw-r--r-- pricelist -rwxr-xr-x script1 -rw-r--r-- text1 -rw-r--r-- text2 -rw-r--r-- tilefona gympie:~/Samples$ gympie:~/Samples$ ls -l | \ sed - n" /^-/s/\(..........\).*:..\(.*\)/\1\2/w2 alex1" 10/1 Transforming Characters (optiony)gympie:~/Samples$ more text2 I had a black dog, a white dog, a yellow dog and
a fine white c at a nda p ink c at a sw ella sa c roc. These are my animals: dogs, cats and a croc.
gympie:~/Samples$ c at t ext2| s ed ' y/abcdt/ADCBQ/' I hAB A DlACk Bog, A whiQe Bog, A yellow Bog AnB
A fine whiQe CAQ AnB A pink CAQ As well As A CroC. These Are my AnimAls: Bogs, CAQs AnB A CroC.
gympie:~/Samples$ 11/1 AdditionalsedInput and Output Commands
I Next (n): forcessedto read the next text line from input le. I Append Next (N): adds the next input line to the current content of the pattern space. I Print (p): copies the current content of the pattern space to the standard output. I Print First Line (P): prints the cotent of the pattern space upto and including a newline character. I List (l): displays \hidden" characters found in the lines of the le. I Read (r): reads from a le
I Write (w): writes to a le
12/1 The Next Command (n)gympie:~/Samples$c ats edn
/^[a-z]/{ n /^$/d gympie:~/Samples$ c at - nt ext2 1 I had a black dog, a white dog, a yellow dog and
2 3 a fine white
c at a nda p ink c at a sw ella sa c roc. 4quotesdbs_dbs14.pdfusesText_20
[PDF] Chapitre 6 : AWK et SED