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utils-std

Collection of commonly available Unix tools git clone https://anongit.hacktivis.me/git/utils-std.git

head.sh (1212B)

    

  1. #!/bin/sh
  2. # SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
  3. # SPDX-License-Identifier: MPL-2.0
  5. WD="$(dirname "$0")/../"
  6. target="${WD}/cmd/head"
  7. plans=15
  8. . "${WD}/test-cmd/tap.sh"
  10. t --input="$(seq 1 20)" 20l '' "$(seq 1 10)
  11. "
  13. t --input="$(seq 1 20)" 20l5l '-n 5' "$(seq 1 5)
  14. "
  16. t --input="$(seq 1 20)" 20l-5l '-5' "$(seq 1 5)
  17. "
  19. t --input="$(seq 1 5)" 5l '' "$(seq 1 5)"
  21. t --input="$(seq 1 5)" 5l40l '-n 40' "$(seq 1 5)"
  23. t --input='' empty '' ''
  24. t --input='' empty3l '-n 3' ''
  25. t --input='' empty3c '-c 3' ''
  27. t --input="$(seq 1 2)" devnull+2l "- ${WD}/test-cmd/inputs/empty" "==> - <==
  28. 1
  29. 2
  30. ==> ${WD}/test-cmd/inputs/empty <==
  31. "
  33. t --input="$(seq 1 2)" opt_q "-q - ${WD}/test-cmd/inputs/empty" '1
  34. 2'
  36. t --input='' opt_v '-v -' '==> - <==
  37. '
  39. t z3 "-n 3 -z ${WD}/test-cmd/inputs/strings/length" "$(printf '1\0_2\0__3\0')"
  41. set -o pipefail
  43. head_40c() { "$target" -c 40 /dev/zero | wc -c | tr -d '[:space:]'; }
  44. t_cmd 40c '40' head_40c
  46. head_40kc() { "$target" -c 40k /dev/zero | wc -c | tr -d '[:space:]'; }
  47. t_cmd 40c '40960' head_40kc
  49. head_40d() { "$target" -c 40d /dev/zero | wc -c | tr -d '[:space:]'; }
  50. t_cmd --exit=1 40d "head: error: Unrecognised unit 'd'
  51. 0" head_40d