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The shell is Unix's command-line interface. You can type commands in a shell interactively, or write scripts to automate tasks. Use this tag for questions applying to /bin/sh and most compatible shells (ash, bash, ksh, zsh, …). For shell scripts with errors, please check them in http://shellcheck.net before posting here.

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I wrote a shell script to recognize the type of character printf "Enter a character: " read var case "$var" in [a-z]) echo "You entered a lower case alphabet." ;; [A-Z]) echo …
asked Mar 26 '14 by Aleksandre Gabunia