Vault7: CIA Hacking Tools Revealed
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Shell Scripting Tricks
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String contains string
stringContains() { [ -z "${2##*$1*}" ] && [ -z "$1" -o -n "$2" ]; }
# Used like so
SRC_STRING="this is a sample string where TEST we want to check for the word 'TEST'"
if stringContains "TEST" "$SRC_STRING"; then
echo "Found TEST in SRC_STRING"
else
echo "Couldn't find TEST in SRC_STRING"
fiThis method is nice because it will work across a variety of bash-like shells making it incredibly platform independent. It will also work if the source string is empty.