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I want to write a Bash script to process text, which might require a while loop. For example, a while loop in C: int done = 0; while(1) {. ... if(done) break; } I want to write a Bash script equivalent to that.
31 mar 2024 · Tips for Using “break” Statement in Bash “while” Loop. Use the break statement cautiously to exit out of the while loop to avoid unexpected results. Here are some tips on how to use the break command within the while loop:
28 sty 2020 · Bash break Statement. The break statement terminates the current loop and passes program control to the command that follows the terminated loop. It is used to exit from a for, while, until , or select loop. s The syntax of the break statement takes the following form: break [n] [n] is an optional argument and must be greater than or equal to 1.
26 sty 2022 · Breaking from a while Loop. Use the break statement to exit a while loop when a particular condition realizes. The following script uses a break inside a while loop: #!/bin/bash i=0 while [[ $i -lt 11 ]] do if [[ "$i" == '2' ]] then echo "Number $i!" break fi echo $i ((i++)) done echo "Done!"
24 lut 2020 · You can terminate the loop by pressing CTRL+C. Here is a single-line equivalent: while :;doecho'Press <CTRL+C> to exit.'; sleep 1;done. Read a File Line By Line. One of the most common usages of the while loop is to read a file, data stream, or variable line by line.
18 kwi 2017 · How do you exit a script from within a find piped while loop? E.g. following exit just exits the piped subshell: find some_directory -type d|while read dir_name; do if [ -w "$dir_name" ]; then exit 1 fi done
12 mar 2024 · Conditional while loop exit with break statement. You can do early exit with the break statement inside the whil loop. You can exit from within a WHILE using break. General break statement inside the while loop is as follows:
