trim

run at Mon Jan  2 21:38:04 CET 2023
run on macOS 13.0.1 arm64 Darwin
benchmark v0.6.7
LANG = en_US.UTF-8

Trim leading and trailing space: using awk

Command: 'awk {sub(/^[ \t\r\n]+/, ""); sub(/[ \t\r\n]+$/, ""); print}'
Before: '   This is sentence #1
       And this is #2    '
After : 'This is sentence #1
And this is #2'

• Binary: /opt/homebrew/Cellar/gawk/5.2.0/bin/gawk (652K)
• Version: GNU Awk 5.2.0, API 3.2, (GNU MPFR 4.1.0-p13, GNU MP 6.2.1)
• Throughput speed: 279 MB/sec
• Invocation speed: 202 ops/sec (4.95 millisec)

Trim leading and trailing space: using sed

Command: 'sed -e s/^[[:space:]]*// -e s/[[:space:]]*$//'
Before: '   This is sentence #1
       And this is #2    '
After : 'This is sentence #1
And this is #2'

• Binary: /usr/bin/sed (44K)
• Throughput speed: 57 MB/sec
• Invocation speed: 614 ops/sec (1.63 millisec)

Trim leading and trailing space: using xargs

Command: 'xargs'
Before: '   This is sentence #1
       And this is #2    '
After : 'This is sentence #1 And this is #2'

• Binary: /usr/bin/xargs (24K)
• Throughput speed: 19 MB/sec
• Invocation speed: 505 ops/sec (1.98 millisec)

Trim leading and trailing space: using php

Command: 'php -r while($f = fgets(STDIN)){ printf("%s\n", trim($f)) ; ...'
Before: '   This is sentence #1
       And this is #2    '
After : 'This is sentence #1
And this is #2'

• Binary: /opt/homebrew/Cellar/php/8.2.0/bin/php (15M)
• Version: PHP 8.2.0 (cli) (built: Dec 9 2022 16:30:32) (NTS)
• Throughput speed: 195 MB/sec
• Invocation speed: 50 ops/sec (19.86 millisec)

Trim leading and trailing space: using $(line="${line#"${line%%[![:space:]]*}"}"; echo "${line%"${line##*[![:space:]]}"}")

Command: '$(line="${line#"${line%%[![:space:]]*}"}"; echo "${line%"${l...'
Before: '   This is sentence #1
       And this is #2    '
After : 'This is sentence #1        And this is #2' (LANG = en_US.UTF-8)

• Throughput speed: 5 MB/sec
• Invocation speed: 1695 ops/sec (0.59 millisec)