For loop in shell script

for i in {1..5}
do
   echo "Welcome $i times"
done

Loop bash

years=(2018 2019)
days=(74 274)

for year in "${years[@]}"; do
    for day in $(seq -w ${days[0]} ${days[1]}); do
               echo $year
               echo $day
    done
done

For loop in shell script

for i in `seq 1 10`
do
	echo $i #Do something here.
done

Loop bash

Use for in bash for iterating words in a string or values in an array as:
for value in {1, 2, 3}; do echo $value; done
for value in $(cat arguments_files.txt); do [some_command]; done
And use while for iterating lines from a pipe output as:
cat arguments_file.txt | while read line; do [some_command]; done

Bash for loop

for FILE in $(ls -A); do la $FILE; done

For loop iteration in shell script

#!/bin/bash
START=1
END=5
echo "Countdown"
 
for (( c=$START; c<=$END; c++ ))
do
	echo -n "$c "
	sleep 1
done
 
echo
echo "Boom!"

Source: cyberciti.biz

Similar codes

1 vote296 views2 answers
How to copy directory to a ssh server
Shell/Bash
9 votes347 views4 answers
How to deactivate virtualenv
Shell/Bash
11 votes394 views2 answers
Git ignore file is not working
Shell/Bash
0 vote338 views1 answer
Install wordpress on centos 7
Shell/Bash
9 votes367 views2 answers
Remove user linux
Shell/Bash
22 votes328 views1 answer
How to find installed packages in ubuntu
Shell/Bash
11 votes344 views2 answers
Install intel graphics driver ubuntu
Shell/Bash
0 vote364 views1 answer
Intel driver arch linux
Shell/Bash
0 vote352 views1 answer
Reset gpg passphrase
Shell/Bash
2 votes326 views1 answer
Docker compose command bash permission denied
Shell/Bash