Shell Programming and Scripting

#!/bin/ksh
FILE="file.txt"
dosumtin () {
date >> FILE
}

for i in {1..5}
do
   dosumtin
done
cat $FILE

#!/bin/ksh
dosumtin () {
date >> $FILE
}

for i in {1..5}
do
   dosumtin
done
echo "This is my cheap file." > file.txt
cat $FILE > file.txt

#!/bin/ksh

# Vars
FILE=$HOME/file.txt
VAR=""
i=0

# Function
dosumtin () {
  date
}

# Generation of variable
while [ $i -lt 5 ] 
   VAR+="$(dosumtin)\n"
   ((i++))
done

# Save it
printf "This is my cheap file.\n$VAR" > $FILE

#!/bin/ksh
dosumtin () {
#date >> $FILE
FILE[$1-1]=$(date)
}

for i in $(seq 1 5)
do
   dosumtin $i
done
echo "This is my cheap file." > file.txt
IFS=\\
printf "${FILE[*]}"|tr '\\' '\n' >> file.txt

#!/bin/ksh
dosumtin () {
#date >> $FILE
[ $i -ne 1 ]&&FILE=$FILE"\n"
FILE=$FILE$(date)
}

for i in $(seq 1 5)
do
   dosumtin $i
done
echo "This is my cheap file." > file.txt
printf "$FILE" >> file.txt

( echo "header"

for X in 1 2 3 4 5
do
        echo "something $X"
done

echo "footer" ) > filename

printf "%s\n" "${DATE[@]}" > file.txt

#!/bin/ksh
dosumtin () {
date
}

# store stdout of the following code in var
var=$(
for i in {1..5}
do
   dosumtin
done
)

echo "$var"