for loop in shell script
for i in {1..5}
do
echo "Welcome $i times"
donefor loop in shell script
for i in {1..5}
do
echo "Welcome $i times"
doneloop bash
years=(2018 2019)
days=(74 274)
for year in "${years[@]}"; do
for day in $(seq -w ${days[0]} ${days[1]}); do
echo $year
echo $day
done
donebash loop
#!/bin/bash
# A simple bash "for loop" example below...
# This loop will run 5 times, and will echo the number in sequence as it goes.
# Mind the double . between the {}
# Note how the variable is called with the $ prefix, which can be done within the "" quotes!
for i in {1..5}
do
echo "This is loop number $i"
done
# To achieve the same in a single line is also simple
for i in {1..5};do echo "this is loop number $i";done
## Happy coding, my homies! <3bash for i
for VARIABLE in 1 2 3 4 5 .. N
do
command1
command2
commandN
donebash script loop
while [ <some test> ]
do
<commands>
doneloop 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]; doneCopyright © 2021 Codeinu
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