2021-07-29 05:44:12 -07:00
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#!/usr/bin/env sh
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2021-07-29 00:37:35 -07:00
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# YES_ZSH
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2021-07-29 05:44:12 -07:00
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# YES_BASH
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# YES_DASH
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2021-09-23 06:48:05 -07:00
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# YES_ASH
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2021-10-04 17:06:45 -07:00
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# YES_BB_AWK
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2021-07-29 00:37:35 -07:00
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2021-07-30 17:57:08 -07:00
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trunc() { ### @-
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### truncate text to fit within your terminal using the unicode character `…`.
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2021-08-01 09:27:25 -07:00
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###
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### ```
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### $ echo $COLUMNS
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### 84
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### $ seq 1 100 | tr '\n' ' ' | trunc
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### 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31…
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### ```
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2021-07-29 05:44:12 -07:00
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[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
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2021-07-29 00:37:35 -07:00
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COLUMNS=${COLUMNS:-$(tput cols)}
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2021-10-01 12:00:23 -07:00
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awk -vL=${1:-$COLUMNS} '{e=length()>L?"…":"";print substr($0,0,L-(e?1:0)) e}'
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2021-07-29 00:37:35 -07:00
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}
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2021-08-02 13:48:46 -07:00
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[ -n "${preload+-}" ] || trunc "$@"
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