53 lines
938 B
Bash
Executable file
53 lines
938 B
Bash
Executable file
#!/bin/bash
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function prefix_time(){
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while read LINE; do
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echo "["$(date)"] "$LINE
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done
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}
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function one_token_per_line(){
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for L in $1; do
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echo $L
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done
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}
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function choose_one(){
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if [ $# -eq 0 ]; then
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echo missing argument 1>&2
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exit 1
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fi
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if [ "$1" = "-" ]; then
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touch internal_pipe
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CNT=0
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tee internal_pipe | while read LINE; do
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CNT=$(($CNT+1))
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echo " "$CNT" > "$LINE
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done
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read -p "enter a number: " -u 1 NUM
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CNT=$(cat internal_pipe | wc -l)
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if [ "" = $NUM ]; then echo empty input; exit 1; fi
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if [ 0 -ge $NUM ]; then echo too small; exit 1; fi
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if [ $CNT -lt $NUM ]; then echo too large; exit 1; fi
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cat internal_pipe | head -n +$NUM | tail -n +$NUM
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rm internal_pipe
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else
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cat $1 | choose_one -
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fi
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}
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function block_devices(){
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#lsblk -fPpo NAME,FSTYPE,LABEL,UUID,FSAVAIL,MOUNTPOINT
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lsblk -frpno NAME
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}
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function foo(){
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while read LINE; do
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(
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export $LINE
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echo "> "$NAME
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)
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done
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}
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