Tri de données : sort
La commande sort permet de trier les lignes d'un flux de données textes.
Syntaxe
sort [options] -k champs[.car] [options], champ[.car] [options] [fichiers ...]
Principales options :
-b : Option à utiliser lorsque le critère de tri est alphanumérique et que les valeurs dans les champs sont calés à droite et complétés avec des espaces à gauche
-k : champ [.car] [options] , champ [.car] [options] Spécifier le ou les champs à prendre en compte en tant que critère de tri. Le critère de tri peut commencer ou finir à une certaine position de caractère du champ.
-n : Préciser que le critère de tri doit être traité comme valeur numérique et non comme chaine de caractères.
-r : Demander un tri décroissant
-t sep : Préciser le caractère séparateur de champs (espace par défaut)
-u : Suppression des doublons
Exemples
Utilisation du fichier /etc/passwd
$ cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/bin/sh
man:x:6:12:man:/var/cache/man:/bin/sh
lp:x:7:7:lp:/var/spool/lpd:/bin/sh
mail:x:8:8:mail:/var/mail:/bin/sh
news:x:9:9:news:/var/spool/news:/bin/sh
uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh
proxy:x:13:13:proxy:/bin:/bin/sh
www-data:x:33:33:www-data:/var/www:/bin/sh
backup:x:34:34:backup:/var/backups:/bin/sh
list:x:38:38:Mailing List Manager:/var/list:/bin/sh
irc:x:39:39:ircd:/var/run/ircd:/bin/sh
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh
nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
libuuid:x:100:101::/var/lib/libuuid:/bin/sh
postfix:x:101:104::/var/spool/postfix:/bin/false
sshd:x:102:65534::/var/run/sshd:/usr/sbin/nologin
mysql:x:103:108:MySQL Server,,,:/var/lib/mysql:/bin/false
$
Trier le fichier sans aucune option.
Le fichier est trié en fonction de la première lettre de chaque ligne.
$ sort /etc/passwd
backup:x:34:34:backup:/var/backups:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
games:x:5:60:games:/usr/games:/bin/sh
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh
irc:x:39:39:ircd:/var/run/ircd:/bin/sh
libuuid:x:100:101::/var/lib/libuuid:/bin/sh
list:x:38:38:Mailing List Manager:/var/list:/bin/sh
lp:x:7:7:lp:/var/spool/lpd:/bin/sh
mail:x:8:8:mail:/var/mail:/bin/sh
man:x:6:12:man:/var/cache/man:/bin/sh
mysql:x:103:108:MySQL Server,,,:/var/lib/mysql:/bin/false
news:x:9:9:news:/var/spool/news:/bin/sh
nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
postfix:x:101:104::/var/spool/postfix:/bin/false
proxy:x:13:13:proxy:/bin:/bin/sh
root:x:0:0:root:/root:/bin/bash
sshd:x:102:65534::/var/run/sshd:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
sys:x:3:3:sys:/dev:/bin/sh
uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh
www-data:x:33:33:www-data:/var/www:/bin/sh
$
Trier le fichier sur le 3ème champ (valeurs numériques).
Le tri est alphanumérique.
$ sort -t: -k 3,3 /etc/passwd
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh
libuuid:x:100:101::/var/lib/libuuid:/bin/sh
postfix:x:101:104::/var/spool/postfix:/bin/false
sshd:x:102:65534::/var/run/sshd:/usr/sbin/nologin
mysql:x:103:108:MySQL Server,,,:/var/lib/mysql:/bin/false
proxy:x:13:13:proxy:/bin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
www-data:x:33:33:www-data:/var/www:/bin/sh
backup:x:34:34:backup:/var/backups:/bin/sh
list:x:38:38:Mailing List Manager:/var/list:/bin/sh
irc:x:39:39:ircd:/var/run/ircd:/bin/sh
sync:x:4:65534:sync:/bin:/bin/sync
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh
games:x:5:60:games:/usr/games:/bin/sh
man:x:6:12:man:/var/cache/man:/bin/sh
nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
lp:x:7:7:lp:/var/spool/lpd:/bin/sh
mail:x:8:8:mail:/var/mail:/bin/sh
news:x:9:9:news:/var/spool/news:/bin/sh
$
Pour que le tri soit numérique il faut ajouter l'option -n
$ sort -t: -k 3,3 -n /etc/passwd
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/bin/sh
man:x:6:12:man:/var/cache/man:/bin/sh
lp:x:7:7:lp:/var/spool/lpd:/bin/sh
mail:x:8:8:mail:/var/mail:/bin/sh
news:x:9:9:news:/var/spool/news:/bin/sh
uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh
proxy:x:13:13:proxy:/bin:/bin/sh
www-data:x:33:33:www-data:/var/www:/bin/sh
backup:x:34:34:backup:/var/backups:/bin/sh
list:x:38:38:Mailing List Manager:/var/list:/bin/sh
irc:x:39:39:ircd:/var/run/ircd:/bin/sh
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh
libuuid:x:100:101::/var/lib/libuuid:/bin/sh
postfix:x:101:104::/var/spool/postfix:/bin/false
sshd:x:102:65534::/var/run/sshd:/usr/sbin/nologin
mysql:x:103:108:MySQL Server,,,:/var/lib/mysql:/bin/false
nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
$
Exemple de tri sur un fichier dont le champ servant de critère de tri est alphanumérique et complété avec des espaces à gauche.
$ cat listeFic
-rw-r--r-- 1 root root 17 May 17 21:31 fic1
-rw-r--r-- 1 root root 17 May 17 21:36 fic4
-rw-r--r-- 1 root root 23 May 17 21:33 fic2
-rw-r--r-- 1 root root 35 May 19 15:02 fic7
-rw-r--r-- 1 root root 36 May 17 21:52 fic5
-rw-r--r-- 1 root root 40 May 17 21:33 fic3
-rw-r--r-- 1 root root 48 May 19 17:59 fic8
-rw-r--r-- 1 root root 74 May 17 22:01 fic6.txt
$
Tri sur le champ 9. Valeurs alphanumériques complétées avec des espaces à gauche. Sans l'option -b, le tri est mal réalisé.
$ sort -k 9,9 listeFic
-rw-r--r-- 1 root root 17 May 17 21:31 fic1
-rw-r--r-- 1 root root 23 May 17 21:33 fic2
-rw-r--r-- 1 root root 40 May 17 21:33 fic3
-rw-r--r-- 1 root root 17 May 17 21:36 fic4
-rw-r--r-- 1 root root 36 May 17 21:52 fic5
-rw-r--r-- 1 root root 35 May 19 15:02 fic7
-rw-r--r-- 1 root root 48 May 19 17:59 fic8
-rw-r--r-- 1 root root 74 May 17 22:01 fic6.txt
$
Idem mais avec l'option -b
$ sort -b -k 9,9 listeFic
-rw-r--r-- 1 root root 17 May 17 21:31 fic1
-rw-r--r-- 1 root root 23 May 17 21:33 fic2
-rw-r--r-- 1 root root 40 May 17 21:33 fic3
-rw-r--r-- 1 root root 17 May 17 21:36 fic4
-rw-r--r-- 1 root root 36 May 17 21:52 fic5
-rw-r--r-- 1 root root 74 May 17 22:01 fic6.txt
-rw-r--r-- 1 root root 35 May 19 15:02 fic7
-rw-r--r-- 1 root root 48 May 19 17:59 fic8
$
Utilisation de 2 critères de tri: Tri sur le champ 7 (numérique) et sur le champ 9 (alphanumérique)
$ sort -k 7n,7 -k 9b,9 listeFic
-rw-r--r-- 1 root root 74 May 15 22:01 fic6.txt
-rw-r--r-- 1 root root 35 May 15 15:02 fic7
-rw-r--r-- 1 root root 17 May 17 21:31 fic1
-rw-r--r-- 1 root root 23 May 17 21:33 fic2
-rw-r--r-- 1 root root 40 May 17 21:33 fic3
-rw-r--r-- 1 root root 17 May 17 21:36 fic4
-rw-r--r-- 1 root root 36 May 17 21:52 fic5
-rw-r--r-- 1 root root 48 May 19 17:59 fic8
$
Trier un fichier suivant les mois de l'année
$ cat fic91
April
August
December
February
January
July
June
March
May
November
October
September
$
$ sort -M fic91
January
February
March
April
May
June
July
August
September
October
November
December
$
Commentaires
OTMANE (non vérifié)
mer, 03/01/2018 - 11:30
Permalien
tri un fichier txt
j'ai un fichier txt désordonnée je veux le tri pour mettre les meme lignes a la fin qu'il faut suprimer
AREA/PROJECT:17REN3D DATE:01/12/2017
CLIENT :SONATRACH SURVEY METHOD:DGPS
CONTRACTOR: ENAGEO INSTRUMENTATION:TRIMBLE-R7
COUNTRY: ALGERIA GRID SYSTEM: Transverse Mercator
COUNTY: ELBORMA SOURCE INTERVAL: 50m
CREW NUMBER:EGS-120 UNITS: Meters
FILE CONTENTS:SRC
GRID DESIGNATION: ZONE: 32
LINE NUMBER:Sw063-066 TYPE SURVEY:3D
STATE: OUARGLA DATUM: WGS84
SURVEYOR: STAFF EGS-120 RECEIVER INTERVAL:50m
AREA/PROJECT:17REN3D DATE:01/12/2017
CLIENT :SONATRACH SURVEY METHOD:DGPS
CONTRACTOR: ENAGEO INSTRUMENTATION:TRIMBLE-R7
COUNTRY: ALGERIA GRID SYSTEM: Transverse Mercator
COUNTY: ELBORMA SOURCE INTERVAL: 50m
CREW NUMBER:EGS-120 UNITS: Meters
FILE CONTENTS:SRC
GRID DESIGNATION: ZONE: 32
LINE NUMBER:Sw063-066 TYPE SURVEY:3D
STATE: OUARGLA DATUM: WGS84
SURVEYOR: STAFF EGS-120 RECEIVER INTERVAL:50m
AREA/PROJECT:17REN3D DATE:01/12/2017
CLIENT :SONATRACH SURVEY METHOD:DGPS
CONTRACTOR: ENAGEO INSTRUMENTATION:TRIMBLE-R7
COUNTRY: ALGERIA GRID SYSTEM: Transverse Mercator
COUNTY: ELBORMA SOURCE INTERVAL: 50m
CREW NUMBER:EGS-120 UNITS: Meters
FILE CONTENTS:SRC
GRID DESIGNATION: ZONE: 32
LINE NUMBER:Sw063-066 TYPE SURVEY:3D
STATE: OUARGLA DATUM: WGS84
SURVEYOR: STAFF EGS-120 RECEIVER INTERVAL:50m
Sw063-066 51411311 31113311N007350543E 365166334518020 2128
Sw063-066 51411312 31113431N007350642E 365192934518385 2073
Sw063-066 51411313 31113551N007350756E 365223434518752 2048
Sw063-066 51411314 31113686N007350896E 365261134519163 2111
Sw063-066 51411315 31113812N007351012E 365292434519547 2069
Sw063-066 51411316 31113930N007351130E 365324134519907 2003
Sw063-066 51411317 31114054N007351252E 365356934520284 1938
Sw063-066 51411318 31114182N007351369E 365388334520673 1948
Sw063-066 51411319 31114310N007351486E 365419834521064 1967
Sw063-066 51411320 31114432N007351595E 365449034521437 1993
Sw063-066 51411321 31114561N007351715E 365481234521829 2007
Sw063-066 51411322 31114688N007351838E 365514434522215 2016
Sw063-066 51411323 31114817N007351962E 365547734522609 2024
Sw063-066 51411324 31114943N007352083E 365580234522992 2049
Sw063-066 51411325 31115072N007352198E 365611234523386 2070
Sw063-066 51411326 31115197N007352316E 365642934523768 2057
Sw063-066 51411327 31115310N007352434E 365674634524112 2029
Sw063-066 51411328 31115442N007352558E 365708034524514 1983
Sw063-066 51411329 31115571N007352674E 365739034524905 1960
Sw063-066 51411330 31115697N007352795E 365771634525290 1959
Sw063-066 51511311 31112788N007351257E 365353334516386 2108
Sw063-066 51511312 31112917N007351386E 365387734516777 2106
Sw063-066 51511313 31113044N007351502E 365419134517166 2120
Sw063-066 51511314 31113171N007351624E 365451834517554 2089
Sw063-066 51511315 31113293N007351737E 365482134517925 2062
Sw063-066 51511316 31113420N007351867E 365516934518309 2019
Sw063-066 51511317 31113551N007351988E 365549734518709 1994
AREA/PROJECT:17REN3D DATE:01/12/2017
CLIENT :SONATRACH SURVEY METHOD:DGPS
CONTRACTOR: ENAGEO INSTRUMENTATION:TRIMBLE-R7
COUNTRY: ALGERIA GRID SYSTEM: Transverse Mercator
COUNTY: ELBORMA SOURCE INTERVAL: 50m
CREW NUMBER:EGS-120 UNITS: Meters
FILE CONTENTS:SRC
GRID DESIGNATION: ZONE: 32
LINE NUMBER:Sw063-066 TYPE SURVEY:3D
STATE: OUARGLA DATUM: WGS84
SURVEYOR: STAFF EGS-120 RECEIVER INTERVAL:50m
Sw063-066 51511318 31113671N007352101E 365580034519076 2004
Sw063-066 51511319 31113798N007352216E 365610934519462 2011
Sw063-066 51511320 31113927N007352338E 365643734519856 2020
Sw063-066 51511321 31114051N007352461E 365676734520232 2045
Sw063-066 51511322 31114176N007352587E 365710734520614 2043
Sw063-066 51511323 31114302N007352703E 365741734520999 2061
Sw063-066 51511324 31114435N007352825E 365774634521404 2090
Sw063-066 51511325 31114559N007352937E 365804634521783 2102
Sw063-066 51511326 31114675N007353054E 365836334522134 2096
Sw063-066 51511327 31114809N007353182E 365870634522544 2062
Sw063-066 51511328 31114931N007353299E 365902034522914 2025
Sw063-066 51511329 31115061N007353410E 365931834523313 2015
Sw063-066 51511330 31115182N007353528E 365963734523681 2048
Sw063-066 51611311 31112286N007351992E 365545734514815 2047
Sw063-066 51611312 31112405N007352116E 365579134515178 2044
Sw063-066 51611313 31112532N007352239E 365612134515565 2042
Sw063-066 51611314 31112658N007352359E 365644334515949 2037
Sw063-066 51611315 31112782N007352475E 365675534516325 2031
Sw063-066 51611316 31112908N007352592E 365706934516708 2004
Sw063-066 51611317 31113035N007352716E 365740234517097 1998
Sw063-066 51611318 31113163N007352833E 365771834517486 2009
Sw063-066 51611319 31113280N007352942E 365800934517844 2021
Sw063-066 51611320 31113411N007353063E 365833634518243 2025
Sw063-066 51611321 31113533N007353179E 365864934518615 2029
Sw063-066 51611322 31113660N007353302E 365897934519000 2032
Sw063-066 51611323 31113787N007353421E 365929934519389 2036
Sw063-066 51611324 31113914N007353540E 365961834519774 2054
Sw063-066 51611325 31114037N007353665E 365995434520150 2062
Sw063-066 51611326 31114168N007353784E 366027434520550 2078
Sw063-066 51611327 31114296N007353903E 366059434520938 2088
Sw063-066 51611328 31114420N007354033E 366094434521316 2062
Sw063-066 51611329 31114537N007354137E 366122334521673 2051
Sw063-066 51611330 31114667N007354258E 366154934522069 2026
Sw063-066 51711311 31111764N007352724E 365737334513182 2026
Sw063-066 51711312 31111892N007352838E 365768034513573 2024
Sw063-066 51711313 31112014N007352957E 365800134513945 2005
Sw063-066 51711314 31112141N007353079E 365833034514333 1986
Sw063-066 51711315 31112266N007353198E 365864734514713 1969
Sw063-066 51711316 31112394N007353324E 365898834515101 1953
Sw063-066 51711317 31112517N007353439E 365929734515477 1954
Sw063-066 51711318 31112645N007353562E 365962734515867 1960
Sw063-066 51711319 31112770N007353684E 365995634516247 1985
Sw063-066 51711320 31112898N007353799E 366026334516639 2011
Sw063-066 51711321 31113023N007353915E 366057534517020 2026
Sw063-066 51711322 31113153N007354039E 366091034517415 2036
Sw063-066 51711323 31113282N007354159E 366123334517807 2045
Sw063-066 51711324 31113401N007354277E 366154934518171 2042
Sw063-066 51711325 31113532N007354402E 366188634518569 2041
Sw063-066 51711326 31113655N007354517E 366219534518946 2046
Sw063-066 51711327 31113780N007354637E 366251534519326 2055
Sw063-066 51711328 31113906N007354759E 366284434519709 2058
Sw063-066 51711329 31114027N007354874E 366315434520077 2072
Sw063-066 51711330 31114157N007354994E 366347634520474 2085
Sw063-066 51811311 31111252N007353452E 365928234511583 2027
Sw063-066 51811312 31111382N007353575E 365961134511978 2065
Sw063-066 51811313 31111503N007353695E 365993434512346 2082
Sw063-066 51811314 31111630N007353812E 366024934512735 2074
Sw063-066 51811315 31111762N007353938E 366058834513134 2063
Sw063-066 51811316 31111881N007354052E 366089434513497 2050
Sw063-066 51811317 31112005N007354172E 366121734513878 2044
Sw063-066 51811318 31112132N007354290E 366153334514262 2028
Sw063-066 51811319 31112258N007354409E 366185534514646 2051
Sw063-066 51811320 31112385N007354533E 366218834515036 2041
Sw063-066 51811321 31112502N007354649E 366249834515391 2046
Sw063-066 51811322 31112632N007354774E 366283434515787 2058
Sw063-066 51811323 31112762N007354893E 366315334516184 2059
Sw063-066 51811324 31112885N007355009E 366346734516558 2068
Sw063-066 51811325 31113005N007355130E 366379134516924 2062
Sw063-066 51811326 31113131N007355249E 366411134517306 2045
Sw063-066 51811327 31113253N007355362E 366441434517680 2040
Sw063-066 51811328 31113382N007355481E 366473534518071 2034
Sw063-066 51811329 31113511N007355603E 366506334518465 2029
Sw063-066 51811330 31113643N007355721E 366538134518867 2034
Sw063-066 51911311 31110736N007354181E 366119134509969 2091
Sw063-066 51911312 31110867N007354295E 366149834510368 2085
Sw063-066 51911313 31110999N007354424E 366184434510770 2066
Sw063-066 51911314 31111117N007354541E 366215834511129 2070
Sw063-066 51911315 31111243N007354664E 366248834511514 2071
Sw063-066 51911316 31111373N007354796E 366284334511910 2068
Sw063-066 51911317 31111496N007354900E 366312334512284 2047
Sw063-066 51911318 31111620N007355018E 366344134512663 2043
Sw063-066 51911319 31111753N007355151E 366379834513069 2035
Sw063-066 51911320 31111878N007355279E 366414134513447 2028
Sw063-066 51911321 31111998N007355392E 366444534513815 2005
Sw063-066 51911322 31112127N007355511E 366476734514208 1973
Sw063-066 51911323 31112247N007355627E 366507634514574 1948
Sw063-066 51911324 31112370N007355745E 366539434514949 1954
Sw063-066 51911325 31112496N007355868E 366572534515331 1953
Sw063-066 51911326 31112622N007355988E 366604834515716 1953
Sw063-066 51911327 31112748N007360102E 366635534516099 1972
Sw063-066 51911328 31112875N007360218E 366666734516486 1982
Sw063-066 51911329 31113007N007360343E 366700334516888 1985
Sw063-066 51911330 31113126N007360458E 366731034517252 1981
Sw063-066 52011311 31110226N007354910E 366310034508374 1961
Sw063-066 52011312 31110354N007355036E 366343834508765 1950
Sw063-066 52011313 31110482N007355153E 366375434509154 1975
Sw063-066 52011314 31110600N007355267E 366406034509513 1963
Sw063-066 52011315 31110724N007355385E 366437834509891 1971
Sw063-066 52011316 31110851N007355509E 366471134510279 1985
Sw063-066 52011317 31110974N007355631E 366503834510652 1999
Sw063-066 52011318 31111102N007355756E 366537334511041 1968
Sw063-066 52011319 31111229N007355873E 366568934511431 1960
Sw063-066 52011320 31111358N007355989E 366600134511823 1995
Sw063-066 52011321 31111479N007360107E 366631734512191 2001
Sw063-066 52011322 31111599N007360222E 366662634512557 2003
Sw063-066 52011323 31111725N007360339E 366694134512942 1995
Sw063-066 52011324 31111859N007360463E 366727534513349 1988
Sw063-066 52011325 31111983N007360584E 366760134513726 1993
Sw063-066 52011326 31112105N007360704E 366792234514100 1994
Sw063-066 52011327 31112230N007360826E 366825034514480 1990
Sw063-066 52011328 31112357N007360940E 366855834514868 1982
Sw063-066 52011329 31112485N007361063E 366888734515258 1968
Sw063-066 52011330 31112612N007361182E 366920834515644 1956
Sw063-066 52111311 31105710N007355635E 366500034506759 2028
Sw063-066 52111312 31105833N007355767E 366535334507134 2023
Sw063-066 52111313 31105961N007355878E 366565334507526 1955
Sw063-066 52111314 31110086N007355991E 366595634507905 1934
Sw063-066 52111315 31110211N007360117E 366629534508288 1926
Sw063-066 52111316 31110330N007360243E 366663234508650 1949
Sw063-066 52111317 31110452N007360362E 366695234509021 1955
Sw063-066 52111318 31110576N007360478E 366726334509399 1946
Sw063-066 52111319 31110705N007360594E 366757634509793 1964
Sw063-066 52111320 31110838N007360716E 366790534510197 1964
Sw063-066 52111321 31110957N007360831E 366821434510561 1954
Sw063-066 52111322 31111087N007360954E 366854434510956 1969
Sw063-066 52111323 31111218N007361073E 366886534511356 1945
Sw063-066 52111324 31111342N007361190E 366918034511734 1943
Sw063-066 52111325 31111467N007361309E 366950034512114 1939
Sw063-066 52111326 31111596N007361431E 366982834512506 1947
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AREA/PROJECT:17REN3D DATE:01/12/2017
CLIENT :SONATRACH SURVEY METHOD:DGPS
CONTRACTOR: ENAGEO INSTRUMENTATION:TRIMBLE-R7
COUNTRY: ALGERIA GRID SYSTEM: Transverse Mercator
COUNTY: ELBORMA SOURCE INTERVAL: 50m
CREW NUMBER:EGS-120 UNITS: Meters
FILE CONTENTS:SRC
GRID DESIGNATION: ZONE: 32
LINE NUMBER:Sw063-066 TYPE SURVEY:3D
STATE: OUARGLA DATUM: WGS84
SURVEYOR: STAFF EGS-120 RECEIVER INTERVAL:50m
ronan
jeu, 04/01/2018 - 13:16
Permalien
Il manque quelques explications ...
Quelles sont les données à supprimer ?
Cela permettrait de savoir de quelle manière trier le fichier.
Pour effectuer des traitements sur un fichier, il existe également la commande sed
Cette commande permet de faire beaucoup de modifications sur les fichiers.
Arthur (non vérifié)
mar, 05/07/2022 - 17:43
Permalien
confusion entre le rangement et le tri
Bonjour,
Merci pour vos astuces.
Ici il s'agit de ranger des données selon un ordre.
Le tri est fonction d'un critère binaire : par exemple tous les enregistrements qui remplissent une condition vont d'un coté quand tous ceux qui ne la remplissent pas vont de l'autre.
ronan
mar, 05/07/2022 - 20:34
Permalien
Python
Pour un tri plus poussé, il peut-être intéressant, voir inévitable, de passer par un autre langage tel que Python.
Il peut tout lire et tout trier très facilement
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