mirror of
https://github.com/notwa/rc
synced 2024-11-05 07:29:04 -08:00
19 lines
653 B
Bash
Executable file
19 lines
653 B
Bash
Executable file
#!/usr/bin/env sh
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# compat: +ash +bash +dash +hush +ksh +mksh +oksh +osh +posh +yash +zsh YES_BB_AWK
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trunc() { ### @-
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### truncate text to fit within your terminal using the unicode character `…`.
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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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[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
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COLUMNS="${COLUMNS:-"$(tput cols)"}"
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awk -vL="${1:-$COLUMNS}" '{e=length()>L?"…":"";print substr($0,0,L-(e?1:0)) e}'
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}
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[ -n "${preload+-}" ] || trunc "$@"
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