Difference between revisions of "Bash for loop"
From thelinuxwiki
| Line 14: | Line 14: | ||
for VARIABLE in 1 2 3 4 5 .. N | for VARIABLE in 1 2 3 4 5 .. N | ||
do | do | ||
| − | + | command1 | |
| − | + | command2 | |
| − | + | commandN | |
done | done | ||
| Line 23: | Line 23: | ||
for VARIABLE in file1 file2 file3 | for VARIABLE in file1 file2 file3 | ||
do | do | ||
| − | + | command1 on $VARIABLE | |
| − | + | command2 | |
| − | + | commandN | |
done | done | ||
| Line 32: | Line 32: | ||
for OUTPUT in $(Linux-Or-Unix-Command-Here) | for OUTPUT in $(Linux-Or-Unix-Command-Here) | ||
do | do | ||
| − | + | command1 on $OUTPUT | |
| − | + | command2 on $OUTPUT | |
| − | + | commandN | |
done | done | ||
[[category:bash]] | [[category:bash]] | ||
Revision as of 14:01, 26 September 2013
Example:
for i in {1..5}
do
echo "Welcome $i times"
done
portable for loop (for older bash versions)
for i in `seq 10` do echo "the i is $i" done
for VARIABLE in 1 2 3 4 5 .. N do command1 command2 commandN done
OR
for VARIABLE in file1 file2 file3 do command1 on $VARIABLE command2 commandN done
OR
for OUTPUT in $(Linux-Or-Unix-Command-Here) do command1 on $OUTPUT command2 on $OUTPUT commandN done
