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8130
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1 #! /bin/bash
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2 numcheck='^[0-9]\+$'
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3 add_after_line () { { sed "$1q"; echo "$2"; sed "1,$1d"; } < "$3" > /tmp/medtmp; mv /tmp/medtmp "$3"; } #Thanks izabera!
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4 if [ "$1" == "rl" ]; then
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5 if [[ "$2" =~ $numcheck ]]; then
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6 echo "error: Not a number" >&2;exit 1
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7 fi
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8 NUM="$2"
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9 cat "$3" | sed "${NUM}q;d" #Read line command
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10 exit 0
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11 fi
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12 if [ "$1" == "ap" ]; then
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13 filename="$3"
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14 echo "$2" >> "$filename" #Append command
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15 exit 0
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16 fi
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17 if [ "$1" == "hp" ]; then
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18 echo "View the inside of the file for more info, rl, anyone?"
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19 exit 0
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20 fi
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21 if [ "$1" == "il" ]; then #insert at
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22 if [[ "$2" =~ $numcheck ]]; then
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23 echo "error: Not a number" >&2;exit 1
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24 fi
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25
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26 add_after_line "$2" "$3" "$4"
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27 exit 0
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28 fi
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29
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