From e6baa9afdfbb9d9863a36cc4a69bc44045653e74 Mon Sep 17 00:00:00 2001
From: Peter Gerwinski <peter.gerwinski@hs-bochum.de>
Date: Wed, 18 Oct 2023 15:27:09 +0200
Subject: [PATCH] Weitere Beispiele und Screenshots 18.10.2023

---
 20231018.p0/dbs-20231018.txt | 17 +++++++++++++++++
 20231018.p0/head-tail-01.txt | 16 ++++++++++++++++
 20231018.p0/tiere.csv        |  5 +++++
 3 files changed, 38 insertions(+)
 create mode 100644 20231018.p0/head-tail-01.txt
 create mode 100644 20231018.p0/tiere.csv

diff --git a/20231018.p0/dbs-20231018.txt b/20231018.p0/dbs-20231018.txt
index 51df125..caee2d1 100644
--- a/20231018.p0/dbs-20231018.txt
+++ b/20231018.p0/dbs-20231018.txt
@@ -16,6 +16,23 @@ Beispiel: Tabelle
   $ ./programmchen 03 Name
   Mausi
 
+Beispiel: Dasselbe mit CSV-Datei
+
+  $ cat tiere.csv
+  "ID";"Name";"Tierart"
+  "01";"Wuffi";"Kater"
+  "02";"Maunzi";"Dt. Schäferhund"
+  "03";"Mausi";"Afr. Elefant"
+  "04";"Gargantua";"Spitzmaus"
+  $ ./programmchen B2
+  Wuffi
+  $ ./programmchen A4
+  03
+  $ ./programmchen C3
+  Dt. Schäferhund
+
 Hinweise:
  - man grep
  - man cut
+ - man head
+ - man tail
diff --git a/20231018.p0/head-tail-01.txt b/20231018.p0/head-tail-01.txt
new file mode 100644
index 0000000..a4e596a
--- /dev/null
+++ b/20231018.p0/head-tail-01.txt
@@ -0,0 +1,16 @@
+cassini/home/peter/bo/2023ws/dbs/20231018.p0> cat tiere.csv
+"ID";"Name";"Tierart"
+"01";"Wuffi";"Kater"
+"02";"Maunzi";"Dt. Schäferhund"
+"03";"Mausi";"Afr. Elefant"
+"04";"Gargantua";"Spitzmaus"
+cassini/home/peter/bo/2023ws/dbs/20231018.p0> cat tiere.csv | head -4
+"ID";"Name";"Tierart"
+"01";"Wuffi";"Kater"
+"02";"Maunzi";"Dt. Schäferhund"
+"03";"Mausi";"Afr. Elefant"
+cassini/home/peter/bo/2023ws/dbs/20231018.p0> cat tiere.csv | head -4 | tail -1
+"03";"Mausi";"Afr. Elefant"
+cassini/home/peter/bo/2023ws/dbs/20231018.p0> cat tiere.csv | head -4 | tail -1 | cut -d ";" -f 3
+"Afr. Elefant"
+cassini/home/peter/bo/2023ws/dbs/20231018.p0>
diff --git a/20231018.p0/tiere.csv b/20231018.p0/tiere.csv
new file mode 100644
index 0000000..2e1b7d5
--- /dev/null
+++ b/20231018.p0/tiere.csv
@@ -0,0 +1,5 @@
+"ID";"Name";"Tierart"
+"01";"Wuffi";"Kater"
+"02";"Maunzi";"Dt. Schäferhund"
+"03";"Mausi";"Afr. Elefant"
+"04";"Gargantua";"Spitzmaus"
-- 
GitLab