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<oerjan> learn shebang_args_or_input is similar to print_args_or_input, but for other scripting languages like perl or python. E.g. if you have a python script that pipes stdin, replace the usual shebang line by #!/hackenv/bin/shebang_args_or_input python .
author HackBot
date Sat, 22 Jul 2017 00:51:22 +0000
parents 84da026b16a5
children
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line source

#!/bin/sh
cd /var/irclogs/_esoteric

pasterandom() {
    if [ "$1" -gt 150 ]; then
        echo "No."
        exit
    fi
    for i in $(seq "$1"); do
        file=$(shuf -en 1 ????-??-??.txt)
        echo "$file:$(shuf -n 1 $file)"
    done | paste
}

if [ "$1" ]; then
    if expr "$1" + 0 >/dev/null 2>&1; then
        pasterandom "$1"
    else
        lines=$(grep -P -i -- "$1" ????-??-??.txt | head -n 301)
        {
            echo "$lines" | head -n 300
            [ $(echo "$lines" | wc -l) -eq 301 ] && echo "[too many lines; stopping]"
        } | paste
    fi
else
    pasterandom 40
fi