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shell parse command line arguments

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Gentle Grouse answered on August 7, 2020 Popularity 9/10 Helpfulness 4/10

answer shell parse command line arguments

related shell script get arguments

related bash parse arguments

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shell parse command line arguments

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cat >/tmp/demo-space-separated.sh <<'EOF'
#!/bin/bash

POSITIONAL_ARGS=()

while [[ $# -gt 0 ]]; do
  case $1 in
    -e|--extension)
      EXTENSION="$2"
      shift # past argument
      shift # past value
      ;;
    -s|--searchpath)
      SEARCHPATH="$2"
      shift # past argument
      shift # past value
      ;;
    --default)
      DEFAULT=YES
      shift # past argument
      ;;
    -*|--*)
      echo "Unknown option $1"
      exit 1
      ;;
    *)
      POSITIONAL_ARGS+=("$1") # save positional arg
      shift # past argument
      ;;
  esac
done

set -- "${POSITIONAL_ARGS[@]}" # restore positional parameters

echo "FILE EXTENSION  = ${EXTENSION}"
echo "SEARCH PATH     = ${SEARCHPATH}"
echo "DEFAULT         = ${DEFAULT}"
echo "Number files in SEARCH PATH with EXTENSION:" $(ls -1 "${SEARCHPATH}"/*."${EXTENSION}" | wc -l)

if [[ -n $1 ]]; then
    echo "Last line of file specified as non-opt/last argument:"
    tail -1 "$1"
fi
EOF

chmod +x /tmp/demo-space-separated.sh

/tmp/demo-space-separated.sh -e conf -s /etc /etc/hosts

Popularity 9/10 Helpfulness 4/10 Language shell

Source: stackoverflow.com

Tags: arguments command-line shell

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Contributed on Oct 19 2022

Gentle Grouse

0 Answers Avg Quality 2/10

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shell script get arguments

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$ myscript.sh first_arg second_arg

# myscript.sh
#!/bin/bash
echo $1 # output: first_arg
echo $2 # output: second_arg

Popularity 10/10 Helpfulness 5/10 Language shell

Source: Grepper

Tags: arguments argu

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Contributed on Aug 07 2020

foloinfo

0 Answers Avg Quality 2/10

bash parse arguments

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#!/bin/bash

SHORT=c:,d:,h
LONG=city1:,city2:,help
OPTS=$(getopt --alternative --name weather --options $SHORT --longoptions $LONG -- "$@")

Popularity 10/10 Helpfulness 3/10 Language shell

Source: stackabuse.com

Tags: arguments argu

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Contributed on Jun 15 2022

Tiago F2

0 Answers Avg Quality 2/10

command line arguments in shell script

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$ myscript.sh first_arg second_arg

# myscript.sh
#!/bin/bash
echo $1 # output: first_arg
echo $2 # output: second_arg

Popularity 10/10 Helpfulness 2/10 Language shell

Source: Grepper

Tags: arguments argu

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Contributed on Jan 30 2023

ServerMonk

0 Answers Avg Quality 2/10

shell parse command line arguments

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shell parse command line arguments

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