BAEL-3370: Organized the sample scripts

linux-bash/read/src/main/file.csv

@@ -1,2 +1 @@
-lorem;ipsum;is\;simply\;du\mmy;text
+car,car model,car year,car vin;Mercury,Grand Marquis,2000,2G61S5S33F9986032;Mitsubishi,Truck,1995,SCFFDABE1CG137362;Ford,Mustang,1968,2G4WS55J351278031;Ford,Crown Victoria,1996,4T1BK1EB8EU586249;GMC,Envoy,2004,WVGEF9BP3FD720618;
-of;the;printing;and;typesetting;industry.

linux-bash/read/src/main/read_inputs.sh

@@ -1,50 +1,48 @@
 #!/bin/bash
 
-
+# Section 2.3
-default_read() {
+prompt_read_password(){
-    echo "Please enter something:"
+    prompt="You shall not pass:"
-    read first second third
+    read -p "$prompt" -s input
-    echo "first word [$first]"
+    echo -e "\ninput password [$input]"
-    echo "second word [$second]"
-    echo "third word [$third]"
 }
 
 array_read() {
     declare -a input_array
-    echo "Please enter something:"
+    text="baeldung is a cool tech site"
-    read -a input_array
+    read -e -i "$text" -a input_array 
     for input in ${input_array[@]} 
         do
-            echo " Word [$input]"
+            echo " word [$input]"
         done
 }
 
-special_delim() {
+# section 2.2
-    echo "Please enter something:"
+custom_ifs_no_array(){
-    read -d ";" first second third
+    IFS=";"
-    echo "first word [$first]"
+    read input1 input2 input3
+    echo "[$input1] [$input2] [$input3]"
 }
 
+# section 2.1
+default_read() {
+    read input1 input2 input3
+    echo "[$input1] [$input2] [$input3]"
+}
+
+# section 3.1
 file_read(){
-    # open file descriptor for reading
+    exec {file_descriptor}<"./file.csv"
-    exec {file_descriptor}<"./dummy_file"
     declare -a input_array
-    echo "Reading first line from file"
+    delimiter=";"
-    read -a input_array -u $file_descriptor 
+    while IFS="," read -a input_array -d $delimiter -u $file_descriptor 
-    for input in ${input_array[@]} 
         do
-            echo " Word [$input]"
+            echo "${input_array[0]},${input_array[2]}" 
         done
-    # close file descriptor after reading
     exec {file_descriptor}>&-
 }
 
-prompt_read(){
+
-    echo "With prompt :"
-    prompt="You shall not pass:"
-    read -p "$prompt" input
-    echo "word -> [$input]"
-}
 
 default_input_read(){
     echo "Default input read:"
@@ -55,17 +53,20 @@ default_input_read(){
 }
 
 advanced_pipeing(){
-    ls | (read -p "Input from ls" input; echo "Single read -> [$input]")
+    ls -ll | ( declare -a input
-    ls | (while IFS= read input; 
+               while read -a input; 
-            do
+               do
-                echo "$input"
+                   echo "${input[0]} ${input[8]}"
-            done )
+               done )
-    # process substitution
+}
-    while read input
-    do
-        echo "$input"
-    done < <(ls)
 
+advanced_pipeing_ps(){
+# process substitution
+    declare -a input
+    while read -a input
+    do
+        echo "${input[0]} ${input[8]}"
+    done < <(ls -ll)
 }
 
 custom_ifs_read(){
@@ -97,17 +98,20 @@ custom_ifs(){
         done
 }
 
+
+
 #default_read
 #array_read
 #special_delim
-#file_read
+file_read
 #prompt_read
 #default_input_read
 #advanced_pipeing
 #custom_ifs_read
 #infinite_read
-custom_ifs " "
+# custom_ifs " "
-custom_ifs ";"
+# custom_ifs ";"
+#custom_ifs_no_array