Using Variables in Bash
#!/bin/bash echo "hello" WORD='script' echo "This is a $WORD" echo "This ${WORD}ing a $WORD" ENDING='ed' echo "${WORD}$ENDING" ENDING='s' echo "${WORD}$ENDING" ENDING='alicious' echo "${WORD}$ENDING" # Echo the exit status - notice 0 generally means success echo ${?} # User UID echo ${UID} # User name - notice the use of $() construct for a command substitution # you could use `id -un` also echo $(id -un)
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