Done module-bash

ex01/hello_world.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+if [ -z $1 ];
+then
+    echo "Hello, World!"
+else
+  echo "Hello, $1!"
+fi
+

ex02/ex02.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+for files in "$@"
+do
+     output=$(ls -R | grep $files)
+     if [[ $? -eq 0 ]]
+      then
+        echo $output | tr ' ' '\n'
+      else
+        echo the searched PATH is unexisting
+     fi
+done

ex03/ex03.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+
+if [[ -r $1 ]]
+then
+    arguments=($2 $3 $4)
+    for arg in ${arguments[*]}
+    do
+      echo $arg $(grep -c $arg $1 )
+      grep -n $arg $1 | cut -f1 -d":"
+
+    done
+    exit 0
+  else
+    exit 1
+fi
+
+
+
+
+
+

ex04/ex04.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+  path=$2
+  pattern=$1
+  if [[ -z $pattern || -z $path ]]
+  then
+    exit 1
+  else
+    files=$(find $2)
+    basename $files 
+    grep -n $pattern $files | cut -f1 -d":"
+    exit 0
+  fi

ex05/ex05.sh

@@ -0,0 +1,45 @@
+#!/bin/bash 
+
+
+function sum(){
+  evenresult=0
+  oddresult=0
+ for nums in $@
+ do
+    if [[ $(($nums%2)) -eq 0 ]]
+    then
+        evenresult=$(($evenresult+$nums))
+      else
+        oddresult=$(($oddresult+$nums))
+    fi
+ done
+ result=$(($evenresult+$oddresult))
+}
+
+
+
+
+
+case $1 in
+  -e)
+    sum ${@:2} && echo $evenresult
+    exit 0
+    ;;
+  -o)
+    sum ${@:2} && echo $oddresult
+    exit 0
+    ;;
+  -s)
+    sum ${@:2} && echo $result
+   exit 0 
+    ;;
+  -m)
+    sum ${@:2} && echo $(( $result / $(($#-1)) ))
+   exit 0  
+esac
+  echo "Error.."
+  exit 1 
+
+
+
+

ex06/ex06.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+function map(){
+
+for args in ${@:2}
+  do
+    eval $1 $args
+done
+
+
+}
+
+map ${@}

ex07/ex07.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+
+if [[ -z $1 ]]
+then
+  exit 1
+else
+  head -$1 resourses/surnames.txt | grep -v 'Q-Chem' | sed 's/-//;s/.$//'
+  exit 0 
+fi

ex08/ex08.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+nums=( zeroes, ones, twoes, threes, fours, fives, sixs, sevens, eights, nines)                
+
+
+if [[ $# -gt 1 || $# -lt 1 ]]
+then
+  echo "Error.."
+  exit 1
+fi
+
+
+
+for i in {0..9}
+do
+  arr[$i]=$(grep -o $i $1 | wc -l)
+  result+=' '${arr[$i]}' '${nums[$i]}
+done
+echo $result 

ex09/ex09.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+case $1 in 
+  -u)
+      grep "https://" $2
+    ;;
+  -e)
+      grep '^[a-zA-Z0-9]\+@[a-zA-Z0-9]\+\.[a-z]\{2,\}' $2
+    ;;
+ --url)
+     grep "https://" $2
+     ;;
+ --email)
+     grep '^[a-zA-Z0-9]\+@[a-zA-Z0-9]\+\.[a-z]\{2,\}' $2
+     ;;
+
+esac

ex10/ex10.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+
+
+if [[ -r $1 ]]
+then
+echo $(awk 'END{print NR}' $1) $1
+exit 0
+fi
+exit 1