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shell

List of commands for shell:

- [[
shell:file:exists Check if a file exists

$ [[ -e ${file} ]]

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- ${command}
shell:warp:08a3f Redirect output of command to a file

$ ${command} > ${file}

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- [[
shell:warp:1242c Check if string length is non-zero

$ [[ -z ${string} ]]

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- ${array_name}+=(${values})
shell:warp:1ab7f Append value(s) to an array

$ ${array_name}+=(${values})

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- [[
shell:warp:221cc Check if two numbers are equal

$ [[ ${integer_a} -eq ${integer_b} ]]

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- [[
shell:warp:25e37 Check if file exists and is executable by the current process

$ [[ -x ${file} ]]

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- ${array_name}[${index}]=${value}
shell:warp:35e99 Set an index in an array to a value

$ ${array_name}[${index}]=${value}

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- ${command}
shell:warp:3aa79 Read file contents as input to another command

$ ${command} < ${file}

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- [[
shell:warp:49c1f Check if string length is zero

$ [[ -n ${string} ]]

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- echo
shell:warp:49dd1 Get number of elements in an array

$ echo ${#${array_name}[@]}

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- ${array_name}=()
shell:warp:6ebe2 Make a new, empty array

$ ${array_name}=()

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- for
shell:warp:763dd Loop through an array and run a command on each value

$ for i in $${{array_name}[@]}; do ${command}; done

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- [[
shell:warp:7a0f1 Check if a number is less than or equal to another number

$ [[ ${integer_a} -le ${integer_b} ]]

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- pbpaste
shell:warp:7bfff Launch tabs with clipboard URLs

$ pbpaste | xargs -n1 -I{} open {}

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- [[
shell:warp:8c02a Check if a number is greater than another number

$ [[ ${integer_a} -gt ${integer_b} ]]

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- [[
shell:warp:8cdd9 Check if file exists and is readable by the current process

$ [[ -r ${file} ]]

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- ${command}
shell:warp:91530 Redirect stderr

$ ${command} 2> ${file}

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- [[
shell:warp:98a8e Check if file exists and has a size greater than zero

$ [[ -s ${file} ]]

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- find
shell:warp:99fb0 Search for specified file types and run a certain command for each file

$ find -E ${path} -iregex ".*\.(${extensions})" -print | xargs -n1 -I _item ${command} _item

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- ${command_1}
shell:warp:9e21f Chain commands together by forwarding output as input to the next command (pipe)

$ ${command_1} | ${command_2}

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- [[
shell:warp:ac282 Check if file exists and is writable by the current process

$ [[ -w ${file} ]]

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- [[
shell:warp:b0313 Check if a number is less than another number

$ [[ ${integer_a} -lt ${integer_b} ]]

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- [[
shell:warp:b0b01 Check if a file exists and is a regular file

$ [[ -f ${file} ]]

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- ${command}
shell:warp:b6dca Redirect stdout

$ ${command} 1> ${file}

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- [[
shell:warp:c137d Check if two numbers are not equal to each other

$ [[ ${integer_a} -ne ${integer_b} ]]

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- ${command}
shell:warp:c370b Redirect output of command to a file by appending

$ ${command} >> ${file}

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- lsof
shell:warp:c888b List processes at port

$ lsof -i:${port}

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- for
shell:warp:d869f Shell for-loop

$ for ${variable} in ${sequence}; do
$ ${command}
$ done

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- kill
shell:warp:d9ecb Kill processes at port

$ kill $(lsof -t -i:${port})

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- [[
shell:warp:da280 Check if two strings are equal to each other

$ [[ ${string_1} = ${string_2} ]]

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- [[
shell:warp:e23a5 Check if a number is greater than or equal to another number

$ [[ ${integer_a} -ge ${integer_b} ]]

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- echo
shell:warp:efc39 Get a value from an array

$ echo $${{array_name}[${index}]}

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- [[
shell:warp:f2154 Check if two strings are not equal to each other

$ [[ ${string_1} != ${string_2} ]]

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- while
shell:warp:f561d Shell while-loop

$ while ${condition} do
$ ${command}
$ done

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