shell for loop index
You can do this using indirection. From the bash manpage: If the first character of parameter is an exclamation point ( ! ), it introduces a level of ..., Array loops are so common in programming that you'll almost always ... Shell is a Unix term for the interactive user interface with operating systems. .... Elements in arrays are frequently referred to by their index number, which ..., You can iterate over the indices of the array, i.e. from 0 to $#array[@]} - 1 . #!/usr/bin/bash array=(one two three) # $#array[@]} is the number of ..., This will work in Bourne shell as well, of course. ... To print the index regardless of the loop range, you have to use a variable "COUNTER=0" ...,Pax Diablo suggested a Bash loop to avoid calling a subprocess, with the .... Bash is a great shell and I use it interactively, but I don't put bash-isms into my ... , How can I iterate bash for loop using a variable range of numbers in Unix or Linux or BSD or Apple OS X operating systems? You can use the ...,See Bash Loops for, while and until for details. .... Other Sources (while read loop) .... manual: Special meaning of certain characters or words to the shell. , You would find the array keys with "$!foo[@]}" (reference), so: for i in "$!foo[@]}"; do printf "%s-t%s-n" "$i" "$foo[$i]}" done. Which means that ..., Then use another variable as the index. files=(*.jpg) total=$#files[@]} i=0 ... This presumes that the "first" loop is 1. Depending on your opinion, ...
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 shell for loop index 相關參考資料
Accessing array index variable from bash shell script loop? - Unix ...
You can do this using indirection. From the bash manpage: If the first character of parameter is an exclamation point ( ! ), it introduces a level of ... https://unix.stackexchange.com Array Loops in Bash - Stack Abuse
Array loops are so common in programming that you'll almost always ... Shell is a Unix term for the interactive user interface with operating systems. .... Elements in arrays are frequently refer... https://stackabuse.com bash + for loop + output index number and element - Stack Overflow
You can iterate over the indices of the array, i.e. from 0 to $#array[@]} - 1 . #!/usr/bin/bash array=(one two three) # $#array[@]} is the number of ... https://stackoverflow.com Bash loop, print current iteration? - Stack Overflow
This will work in Bourne shell as well, of course. ... To print the index regardless of the loop range, you have to use a variable "COUNTER=0" ... https://stackoverflow.com How do I iterate over a range of numbers defined by variables in ...
Pax Diablo suggested a Bash loop to avoid calling a subprocess, with the .... Bash is a great shell and I use it interactively, but I don't put bash-isms into my ... https://stackoverflow.com HowTo: Iterate Bash For Loop Variable Range Under Unix Linux ...
How can I iterate bash for loop using a variable range of numbers in Unix or Linux or BSD or Apple OS X operating systems? You can use the ... https://www.cyberciti.biz Loop through an array of strings in Bash? - Stack Overflow
See Bash Loops for, while and until for details. .... Other Sources (while read loop) .... manual: Special meaning of certain characters or words to the shell. https://stackoverflow.com Looping over arrays, printing both index and value - Stack Overflow
You would find the array keys with "$!foo[@]}" (reference), so: for i in "$!foo[@]}"; do printf "%s-t%s-n" "$i" "$foo[$i]}" done. Which means that&nb... https://stackoverflow.com shell script - Iterating over files in Bash and obtaining the ...
Then use another variable as the index. files=(*.jpg) total=$#files[@]} i=0 ... This presumes that the "first" loop is 1. Depending on your opinion, ... https://unix.stackexchange.com |